Home / 862,545.22-1,292,159.59-482,312.72

Finding the Fourth Proportional to 862,545.22, 1,292,159.59 and 482,312.72

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Solution

The fourth proportional to 862,545.22, 1,292,159.59 and 482,312.72 is: 722,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,545.22 : 1,292,159.59 = 482,312.72 : x
  2. Step 2: Convert to fraction form
    862,545.22/1,292,159.59 = 482,312.72/x
  3. Step 3: Cross multiply
    862,545.22x = 1,292,159.59 × 482,312.72
  4. Step 4: Simplify right side
    862,545.22x = 623,225,006,526.99
  5. Step 5: Solve for x
    x = 623,225,006,526.99/862,545.22
  6. Step 6: Final answer
    x = 722,541.84

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1.5x scale

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.