Home / 642,763.27-963,465.12-237,695.19

Finding the Fourth Proportional to 642,763.27, 963,465.12 and 237,695.19

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Solution

The fourth proportional to 642,763.27, 963,465.12 and 237,695.19 is: 356,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,763.27 : 963,465.12 = 237,695.19 : x
  2. Step 2: Convert to fraction form
    642,763.27/963,465.12 = 237,695.19/x
  3. Step 3: Cross multiply
    642,763.27x = 963,465.12 × 237,695.19
  4. Step 4: Simplify right side
    642,763.27x = 229,011,023,568.30
  5. Step 5: Solve for x
    x = 229,011,023,568.30/642,763.27
  6. Step 6: Final answer
    x = 356,291.40

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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.