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Finding the Fourth Proportional to 477,334.77, 658,726.07 and 273,404.31

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Solution

The fourth proportional to 477,334.77, 658,726.07 and 273,404.31 is: 377,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,334.77 : 658,726.07 = 273,404.31 : x
  2. Step 2: Convert to fraction form
    477,334.77/658,726.07 = 273,404.31/x
  3. Step 3: Cross multiply
    477,334.77x = 658,726.07 × 273,404.31
  4. Step 4: Simplify right side
    477,334.77x = 180,098,545,280.34
  5. Step 5: Solve for x
    x = 180,098,545,280.34/477,334.77
  6. Step 6: Final answer
    x = 377,300.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.