Home / 754,517.64-1,041,228.90-414,978.60

Finding the Fourth Proportional to 754,517.64, 1,041,228.90 and 414,978.60

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Solution

The fourth proportional to 754,517.64, 1,041,228.90 and 414,978.60 is: 572,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,517.64 : 1,041,228.90 = 414,978.60 : x
  2. Step 2: Convert to fraction form
    754,517.64/1,041,228.90 = 414,978.60/x
  3. Step 3: Cross multiply
    754,517.64x = 1,041,228.90 × 414,978.60
  4. Step 4: Simplify right side
    754,517.64x = 432,087,711,201.54
  5. Step 5: Solve for x
    x = 432,087,711,201.54/754,517.64
  6. Step 6: Final answer
    x = 572,667.47

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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.