Home / 988,488.63-1,364,099.54-558,753.66

Finding the Fourth Proportional to 988,488.63, 1,364,099.54 and 558,753.66

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Solution

The fourth proportional to 988,488.63, 1,364,099.54 and 558,753.66 is: 771,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,488.63 : 1,364,099.54 = 558,753.66 : x
  2. Step 2: Convert to fraction form
    988,488.63/1,364,099.54 = 558,753.66/x
  3. Step 3: Cross multiply
    988,488.63x = 1,364,099.54 × 558,753.66
  4. Step 4: Simplify right side
    988,488.63x = 762,195,607,785.55
  5. Step 5: Solve for x
    x = 762,195,607,785.55/988,488.63
  6. Step 6: Final answer
    x = 771,071.70

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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.