Home / 485,783.10-729,306.08-373,542.13

Finding the Fourth Proportional to 485,783.10, 729,306.08 and 373,542.13

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Solution

The fourth proportional to 485,783.10, 729,306.08 and 373,542.13 is: 560,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,783.10 : 729,306.08 = 373,542.13 : x
  2. Step 2: Convert to fraction form
    485,783.10/729,306.08 = 373,542.13/x
  3. Step 3: Cross multiply
    485,783.10x = 729,306.08 × 373,542.13
  4. Step 4: Simplify right side
    485,783.10x = 272,426,549,888.39
  5. Step 5: Solve for x
    x = 272,426,549,888.39/485,783.10
  6. Step 6: Final answer
    x = 560,798.74

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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.