Home / 498,789.04-688,329.72-283,929.16

Finding the Fourth Proportional to 498,789.04, 688,329.72 and 283,929.16

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Solution

The fourth proportional to 498,789.04, 688,329.72 and 283,929.16 is: 391,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,789.04 : 688,329.72 = 283,929.16 : x
  2. Step 2: Convert to fraction form
    498,789.04/688,329.72 = 283,929.16/x
  3. Step 3: Cross multiply
    498,789.04x = 688,329.72 × 283,929.16
  4. Step 4: Simplify right side
    498,789.04x = 195,436,879,202.64
  5. Step 5: Solve for x
    x = 195,436,879,202.64/498,789.04
  6. Step 6: Final answer
    x = 391,822.72

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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.