Home / 781,538.17-1,172,285.38-249,091.15

Finding the Fourth Proportional to 781,538.17, 1,172,285.38 and 249,091.15

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Solution

The fourth proportional to 781,538.17, 1,172,285.38 and 249,091.15 is: 373,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,538.17 : 1,172,285.38 = 249,091.15 : x
  2. Step 2: Convert to fraction form
    781,538.17/1,172,285.38 = 249,091.15/x
  3. Step 3: Cross multiply
    781,538.17x = 1,172,285.38 × 249,091.15
  4. Step 4: Simplify right side
    781,538.17x = 292,005,907,570.96
  5. Step 5: Solve for x
    x = 292,005,907,570.96/781,538.17
  6. Step 6: Final answer
    x = 373,629.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.