Home / 988,999.80-1,483,499.70-656,575.80

Finding the Fourth Proportional to 988,999.80, 1,483,499.70 and 656,575.80

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Solution

The fourth proportional to 988,999.80, 1,483,499.70 and 656,575.80 is: 984,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,999.80 : 1,483,499.70 = 656,575.80 : x
  2. Step 2: Convert to fraction form
    988,999.80/1,483,499.70 = 656,575.80/x
  3. Step 3: Cross multiply
    988,999.80x = 1,483,499.70 × 656,575.80
  4. Step 4: Simplify right side
    988,999.80x = 974,030,002,327.26
  5. Step 5: Solve for x
    x = 974,030,002,327.26/988,999.80
  6. Step 6: Final answer
    x = 984,863.70

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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.