Home / 988,322.76-1,363,885.16-535,613.76

Finding the Fourth Proportional to 988,322.76, 1,363,885.16 and 535,613.76

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Solution

The fourth proportional to 988,322.76, 1,363,885.16 and 535,613.76 is: 739,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,322.76 : 1,363,885.16 = 535,613.76 : x
  2. Step 2: Convert to fraction form
    988,322.76/1,363,885.16 = 535,613.76/x
  3. Step 3: Cross multiply
    988,322.76x = 1,363,885.16 × 535,613.76
  4. Step 4: Simplify right side
    988,322.76x = 730,515,656,077.73
  5. Step 5: Solve for x
    x = 730,515,656,077.73/988,322.76
  6. Step 6: Final answer
    x = 739,146.85

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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.