Home / 730,384.20-1,095,576.30-415,456.20

Finding the Fourth Proportional to 730,384.20, 1,095,576.30 and 415,456.20

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Solution

The fourth proportional to 730,384.20, 1,095,576.30 and 415,456.20 is: 623,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,384.20 : 1,095,576.30 = 415,456.20 : x
  2. Step 2: Convert to fraction form
    730,384.20/1,095,576.30 = 415,456.20/x
  3. Step 3: Cross multiply
    730,384.20x = 1,095,576.30 × 415,456.20
  4. Step 4: Simplify right side
    730,384.20x = 455,163,966,408.06
  5. Step 5: Solve for x
    x = 455,163,966,408.06/730,384.20
  6. Step 6: Final answer
    x = 623,184.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.