Home / 725,398.40-1,088,097.60-618,089.60

Finding the Fourth Proportional to 725,398.40, 1,088,097.60 and 618,089.60

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Solution

The fourth proportional to 725,398.40, 1,088,097.60 and 618,089.60 is: 927,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,398.40 : 1,088,097.60 = 618,089.60 : x
  2. Step 2: Convert to fraction form
    725,398.40/1,088,097.60 = 618,089.60/x
  3. Step 3: Cross multiply
    725,398.40x = 1,088,097.60 × 618,089.60
  4. Step 4: Simplify right side
    725,398.40x = 672,541,810,344.96
  5. Step 5: Solve for x
    x = 672,541,810,344.96/725,398.40
  6. Step 6: Final answer
    x = 927,134.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.