Home / 672,052.80-1,008,079.20-618,398.40

Finding the Fourth Proportional to 672,052.80, 1,008,079.20 and 618,398.40

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Solution

The fourth proportional to 672,052.80, 1,008,079.20 and 618,398.40 is: 927,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052.80 : 1,008,079.20 = 618,398.40 : x
  2. Step 2: Convert to fraction form
    672,052.80/1,008,079.20 = 618,398.40/x
  3. Step 3: Cross multiply
    672,052.80x = 1,008,079.20 × 618,398.40
  4. Step 4: Simplify right side
    672,052.80x = 623,394,564,353.28
  5. Step 5: Solve for x
    x = 623,394,564,353.28/672,052.80
  6. Step 6: Final answer
    x = 927,597.60

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Similar ratio
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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.