Home / 498,832.62-688,423.74-283,972.64

Finding the Fourth Proportional to 498,832.62, 688,423.74 and 283,972.64

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Solution

The fourth proportional to 498,832.62, 688,423.74 and 283,972.64 is: 391,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,832.62 : 688,423.74 = 283,972.64 : x
  2. Step 2: Convert to fraction form
    498,832.62/688,423.74 = 283,972.64/x
  3. Step 3: Cross multiply
    498,832.62x = 688,423.74 × 283,972.64
  4. Step 4: Simplify right side
    498,832.62x = 195,493,506,886.47
  5. Step 5: Solve for x
    x = 195,493,506,886.47/498,832.62
  6. Step 6: Final answer
    x = 391,902.01

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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.