Home / 617,631.40-924,891.90-406,124.20

Finding the Fourth Proportional to 617,631.40, 924,891.90 and 406,124.20

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Solution

The fourth proportional to 617,631.40, 924,891.90 and 406,124.20 is: 608,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,631.40 : 924,891.90 = 406,124.20 : x
  2. Step 2: Convert to fraction form
    617,631.40/924,891.90 = 406,124.20/x
  3. Step 3: Cross multiply
    617,631.40x = 924,891.90 × 406,124.20
  4. Step 4: Simplify right side
    617,631.40x = 375,620,982,973.98
  5. Step 5: Solve for x
    x = 375,620,982,973.98/617,631.40
  6. Step 6: Final answer
    x = 608,163.68

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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.