Home / 672,081.80-1,008,122.70-656,335.40

Finding the Fourth Proportional to 672,081.80, 1,008,122.70 and 656,335.40

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Solution

The fourth proportional to 672,081.80, 1,008,122.70 and 656,335.40 is: 984,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,081.80 : 1,008,122.70 = 656,335.40 : x
  2. Step 2: Convert to fraction form
    672,081.80/1,008,122.70 = 656,335.40/x
  3. Step 3: Cross multiply
    672,081.80x = 1,008,122.70 × 656,335.40
  4. Step 4: Simplify right side
    672,081.80x = 661,666,615,553.58
  5. Step 5: Solve for x
    x = 661,666,615,553.58/672,081.80
  6. Step 6: Final answer
    x = 984,503.10

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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.