Home / 988,828.31-1,364,545.17-559,117.44

Finding the Fourth Proportional to 988,828.31, 1,364,545.17 and 559,117.44

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Solution

The fourth proportional to 988,828.31, 1,364,545.17 and 559,117.44 is: 771,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,828.31 : 1,364,545.17 = 559,117.44 : x
  2. Step 2: Convert to fraction form
    988,828.31/1,364,545.17 = 559,117.44/x
  3. Step 3: Cross multiply
    988,828.31x = 1,364,545.17 × 559,117.44
  4. Step 4: Simplify right side
    988,828.31x = 762,941,002,214.77
  5. Step 5: Solve for x
    x = 762,941,002,214.77/988,828.31
  6. Step 6: Final answer
    x = 771,560.64

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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.