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Finding the Fourth Proportional to 477,040.64, 658,053.12 and 387,461.12

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Solution

The fourth proportional to 477,040.64, 658,053.12 and 387,461.12 is: 534,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,040.64 : 658,053.12 = 387,461.12 : x
  2. Step 2: Convert to fraction form
    477,040.64/658,053.12 = 387,461.12/x
  3. Step 3: Cross multiply
    477,040.64x = 658,053.12 × 387,461.12
  4. Step 4: Simplify right side
    477,040.64x = 254,969,998,894.69
  5. Step 5: Solve for x
    x = 254,969,998,894.69/477,040.64
  6. Step 6: Final answer
    x = 534,482.76

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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.