Home / 454,126.16-680,488.44-287,564.24

Finding the Fourth Proportional to 454,126.16, 680,488.44 and 287,564.24

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Solution

The fourth proportional to 454,126.16, 680,488.44 and 287,564.24 is: 430,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,126.16 : 680,488.44 = 287,564.24 : x
  2. Step 2: Convert to fraction form
    454,126.16/680,488.44 = 287,564.24/x
  3. Step 3: Cross multiply
    454,126.16x = 680,488.44 × 287,564.24
  4. Step 4: Simplify right side
    454,126.16x = 195,684,141,077.39
  5. Step 5: Solve for x
    x = 195,684,141,077.39/454,126.16
  6. Step 6: Final answer
    x = 430,902.60

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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.