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Finding the Fourth Proportional to 555,001.32, 765,904.24 and 300,352.52

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Solution

The fourth proportional to 555,001.32, 765,904.24 and 300,352.52 is: 414,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,001.32 : 765,904.24 = 300,352.52 : x
  2. Step 2: Convert to fraction form
    555,001.32/765,904.24 = 300,352.52/x
  3. Step 3: Cross multiply
    555,001.32x = 765,904.24 × 300,352.52
  4. Step 4: Simplify right side
    555,001.32x = 230,041,268,562.69
  5. Step 5: Solve for x
    x = 230,041,268,562.69/555,001.32
  6. Step 6: Final answer
    x = 414,487.79

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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.