Home / 707,929.04-977,042.04-402,081.68

Finding the Fourth Proportional to 707,929.04, 977,042.04 and 402,081.68

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Solution

The fourth proportional to 707,929.04, 977,042.04 and 402,081.68 is: 554,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,929.04 : 977,042.04 = 402,081.68 : x
  2. Step 2: Convert to fraction form
    707,929.04/977,042.04 = 402,081.68/x
  3. Step 3: Cross multiply
    707,929.04x = 977,042.04 × 402,081.68
  4. Step 4: Simplify right side
    707,929.04x = 392,850,704,873.83
  5. Step 5: Solve for x
    x = 392,850,704,873.83/707,929.04
  6. Step 6: Final answer
    x = 554,929.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.