Home / 990,862.70-1,367,397.52-538,153.70

Finding the Fourth Proportional to 990,862.70, 1,367,397.52 and 538,153.70

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Solution

The fourth proportional to 990,862.70, 1,367,397.52 and 538,153.70 is: 742,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,862.70 : 1,367,397.52 = 538,153.70 : x
  2. Step 2: Convert to fraction form
    990,862.70/1,367,397.52 = 538,153.70/x
  3. Step 3: Cross multiply
    990,862.70x = 1,367,397.52 × 538,153.70
  4. Step 4: Simplify right side
    990,862.70x = 735,870,026,576.45
  5. Step 5: Solve for x
    x = 735,870,026,576.45/990,862.70
  6. Step 6: Final answer
    x = 742,655.90

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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.