Home / 724,979.04-1,000,396.56-423,348

Finding the Fourth Proportional to 724,979.04, 1,000,396.56 and 423,348

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Solution

The fourth proportional to 724,979.04, 1,000,396.56 and 423,348 is: 584,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,979.04 : 1,000,396.56 = 423,348 : x
  2. Step 2: Convert to fraction form
    724,979.04/1,000,396.56 = 423,348/x
  3. Step 3: Cross multiply
    724,979.04x = 1,000,396.56 × 423,348
  4. Step 4: Simplify right side
    724,979.04x = 423,515,882,882.88
  5. Step 5: Solve for x
    x = 423,515,882,882.88/724,979.04
  6. Step 6: Final answer
    x = 584,176.73

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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.