Home / 988,586.35-1,482,865.67-389,552.72

Finding the Fourth Proportional to 988,586.35, 1,482,865.67 and 389,552.72

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Solution

The fourth proportional to 988,586.35, 1,482,865.67 and 389,552.72 is: 584,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,586.35 : 1,482,865.67 = 389,552.72 : x
  2. Step 2: Convert to fraction form
    988,586.35/1,482,865.67 = 389,552.72/x
  3. Step 3: Cross multiply
    988,586.35x = 1,482,865.67 × 389,552.72
  4. Step 4: Simplify right side
    988,586.35x = 577,654,348,702.68
  5. Step 5: Solve for x
    x = 577,654,348,702.68/988,586.35
  6. Step 6: Final answer
    x = 584,323.62

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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.