Home / 477,063.61-657,670.19-379,411.36

Finding the Fourth Proportional to 477,063.61, 657,670.19 and 379,411.36

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Solution

The fourth proportional to 477,063.61, 657,670.19 and 379,411.36 is: 523,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,063.61 : 657,670.19 = 379,411.36 : x
  2. Step 2: Convert to fraction form
    477,063.61/657,670.19 = 379,411.36/x
  3. Step 3: Cross multiply
    477,063.61x = 657,670.19 × 379,411.36
  4. Step 4: Simplify right side
    477,063.61x = 249,527,541,219.36
  5. Step 5: Solve for x
    x = 249,527,541,219.36/477,063.61
  6. Step 6: Final answer
    x = 523,048.78

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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.