Home / 862,545.72-1,292,160.34-482,313.22

Finding the Fourth Proportional to 862,545.72, 1,292,160.34 and 482,313.22

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Solution

The fourth proportional to 862,545.72, 1,292,160.34 and 482,313.22 is: 722,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,545.72 : 1,292,160.34 = 482,313.22 : x
  2. Step 2: Convert to fraction form
    862,545.72/1,292,160.34 = 482,313.22/x
  3. Step 3: Cross multiply
    862,545.72x = 1,292,160.34 × 482,313.22
  4. Step 4: Simplify right side
    862,545.72x = 623,226,014,341.70
  5. Step 5: Solve for x
    x = 623,226,014,341.70/862,545.72
  6. Step 6: Final answer
    x = 722,542.59

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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.