Home / 730,312.20-1,095,468.30-415,384.20

Finding the Fourth Proportional to 730,312.20, 1,095,468.30 and 415,384.20

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Solution

The fourth proportional to 730,312.20, 1,095,468.30 and 415,384.20 is: 623,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,312.20 : 1,095,468.30 = 415,384.20 : x
  2. Step 2: Convert to fraction form
    730,312.20/1,095,468.30 = 415,384.20/x
  3. Step 3: Cross multiply
    730,312.20x = 1,095,468.30 × 415,384.20
  4. Step 4: Simplify right side
    730,312.20x = 455,040,223,420.86
  5. Step 5: Solve for x
    x = 455,040,223,420.86/730,312.20
  6. Step 6: Final answer
    x = 623,076.30

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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.