Home / 938,535.31-1,296,247.93-636,204.43

Finding the Fourth Proportional to 938,535.31, 1,296,247.93 and 636,204.43

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Solution

The fourth proportional to 938,535.31, 1,296,247.93 and 636,204.43 is: 878,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,535.31 : 1,296,247.93 = 636,204.43 : x
  2. Step 2: Convert to fraction form
    938,535.31/1,296,247.93 = 636,204.43/x
  3. Step 3: Cross multiply
    938,535.31x = 1,296,247.93 × 636,204.43
  4. Step 4: Simplify right side
    938,535.31x = 824,678,680,275.46
  5. Step 5: Solve for x
    x = 824,678,680,275.46/938,535.31
  6. Step 6: Final answer
    x = 878,686.90

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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.