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Finding the Fourth Proportional to 477,432.56, 658,843.80 and 262,572.56

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Solution

The fourth proportional to 477,432.56, 658,843.80 and 262,572.56 is: 362,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,432.56 : 658,843.80 = 262,572.56 : x
  2. Step 2: Convert to fraction form
    477,432.56/658,843.80 = 262,572.56/x
  3. Step 3: Cross multiply
    477,432.56x = 658,843.80 × 262,572.56
  4. Step 4: Simplify right side
    477,432.56x = 172,994,303,206.13
  5. Step 5: Solve for x
    x = 172,994,303,206.13/477,432.56
  6. Step 6: Final answer
    x = 362,342.91

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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.