Home / 731,121.52-1,009,041.60-408,849.60

Finding the Fourth Proportional to 731,121.52, 1,009,041.60 and 408,849.60

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Solution

The fourth proportional to 731,121.52, 1,009,041.60 and 408,849.60 is: 564,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,121.52 : 1,009,041.60 = 408,849.60 : x
  2. Step 2: Convert to fraction form
    731,121.52/1,009,041.60 = 408,849.60/x
  3. Step 3: Cross multiply
    731,121.52x = 1,009,041.60 × 408,849.60
  4. Step 4: Simplify right side
    731,121.52x = 412,546,254,543.36
  5. Step 5: Solve for x
    x = 412,546,254,543.36/731,121.52
  6. Step 6: Final answer
    x = 564,264.96

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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.