Home / 988,592.57-1,481,870.68-389,310.83

Finding the Fourth Proportional to 988,592.57, 1,481,870.68 and 389,310.83

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Solution

The fourth proportional to 988,592.57, 1,481,870.68 and 389,310.83 is: 583,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,592.57 : 1,481,870.68 = 389,310.83 : x
  2. Step 2: Convert to fraction form
    988,592.57/1,481,870.68 = 389,310.83/x
  3. Step 3: Cross multiply
    988,592.57x = 1,481,870.68 × 389,310.83
  4. Step 4: Simplify right side
    988,592.57x = 576,908,296,000.83
  5. Step 5: Solve for x
    x = 576,908,296,000.83/988,592.57
  6. Step 6: Final answer
    x = 583,565.28

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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.