Home / 849,838.56-1,275,545.76-429,409.92

Finding the Fourth Proportional to 849,838.56, 1,275,545.76 and 429,409.92

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Solution

The fourth proportional to 849,838.56, 1,275,545.76 and 429,409.92 is: 644,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,838.56 : 1,275,545.76 = 429,409.92 : x
  2. Step 2: Convert to fraction form
    849,838.56/1,275,545.76 = 429,409.92/x
  3. Step 3: Cross multiply
    849,838.56x = 1,275,545.76 × 429,409.92
  4. Step 4: Simplify right side
    849,838.56x = 547,732,002,757.94
  5. Step 5: Solve for x
    x = 547,732,002,757.94/849,838.56
  6. Step 6: Final answer
    x = 644,513.00

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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.