Home / 988,998.80-1,483,498.20-656,574.80

Finding the Fourth Proportional to 988,998.80, 1,483,498.20 and 656,574.80

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Solution

The fourth proportional to 988,998.80, 1,483,498.20 and 656,574.80 is: 984,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,998.80 : 1,483,498.20 = 656,574.80 : x
  2. Step 2: Convert to fraction form
    988,998.80/1,483,498.20 = 656,574.80/x
  3. Step 3: Cross multiply
    988,998.80x = 1,483,498.20 × 656,574.80
  4. Step 4: Simplify right side
    988,998.80x = 974,027,533,965.36
  5. Step 5: Solve for x
    x = 974,027,533,965.36/988,998.80
  6. Step 6: Final answer
    x = 984,862.20

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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.