Home / 827,909.04-1,240,979.40-472,157.04

Finding the Fourth Proportional to 827,909.04, 1,240,979.40 and 472,157.04

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Solution

The fourth proportional to 827,909.04, 1,240,979.40 and 472,157.04 is: 707,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,909.04 : 1,240,979.40 = 472,157.04 : x
  2. Step 2: Convert to fraction form
    827,909.04/1,240,979.40 = 472,157.04/x
  3. Step 3: Cross multiply
    827,909.04x = 1,240,979.40 × 472,157.04
  4. Step 4: Simplify right side
    827,909.04x = 585,937,160,204.98
  5. Step 5: Solve for x
    x = 585,937,160,204.98/827,909.04
  6. Step 6: Final answer
    x = 707,731.32

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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.