Home / 988,644.79-1,364,276.82-558,899.29

Finding the Fourth Proportional to 988,644.79, 1,364,276.82 and 558,899.29

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Solution

The fourth proportional to 988,644.79, 1,364,276.82 and 558,899.29 is: 771,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,644.79 : 1,364,276.82 = 558,899.29 : x
  2. Step 2: Convert to fraction form
    988,644.79/1,364,276.82 = 558,899.29/x
  3. Step 3: Cross multiply
    988,644.79x = 1,364,276.82 × 558,899.29
  4. Step 4: Simplify right side
    988,644.79x = 762,493,346,061.46
  5. Step 5: Solve for x
    x = 762,493,346,061.46/988,644.79
  6. Step 6: Final answer
    x = 771,251.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.