Home / 704,130.20-1,056,195.30-389,202.20

Finding the Fourth Proportional to 704,130.20, 1,056,195.30 and 389,202.20

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Solution

The fourth proportional to 704,130.20, 1,056,195.30 and 389,202.20 is: 583,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,130.20 : 1,056,195.30 = 389,202.20 : x
  2. Step 2: Convert to fraction form
    704,130.20/1,056,195.30 = 389,202.20/x
  3. Step 3: Cross multiply
    704,130.20x = 1,056,195.30 × 389,202.20
  4. Step 4: Simplify right side
    704,130.20x = 411,073,534,389.66
  5. Step 5: Solve for x
    x = 411,073,534,389.66/704,130.20
  6. Step 6: Final answer
    x = 583,803.30

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Double scale
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Similar ratio
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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.