Home / 650,960.20-977,016.30-384,387.40

Finding the Fourth Proportional to 650,960.20, 977,016.30 and 384,387.40

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Solution

The fourth proportional to 650,960.20, 977,016.30 and 384,387.40 is: 576,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,960.20 : 977,016.30 = 384,387.40 : x
  2. Step 2: Convert to fraction form
    650,960.20/977,016.30 = 384,387.40/x
  3. Step 3: Cross multiply
    650,960.20x = 977,016.30 × 384,387.40
  4. Step 4: Simplify right side
    650,960.20x = 375,552,755,314.62
  5. Step 5: Solve for x
    x = 375,552,755,314.62/650,960.20
  6. Step 6: Final answer
    x = 576,921.22

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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.