Home / 781,358.16-1,172,072.88-248,829.12

Finding the Fourth Proportional to 781,358.16, 1,172,072.88 and 248,829.12

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Solution

The fourth proportional to 781,358.16, 1,172,072.88 and 248,829.12 is: 373,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,358.16 : 1,172,072.88 = 248,829.12 : x
  2. Step 2: Convert to fraction form
    781,358.16/1,172,072.88 = 248,829.12/x
  3. Step 3: Cross multiply
    781,358.16x = 1,172,072.88 × 248,829.12
  4. Step 4: Simplify right side
    781,358.16x = 291,645,863,306.27
  5. Step 5: Solve for x
    x = 291,645,863,306.27/781,358.16
  6. Step 6: Final answer
    x = 373,255.03

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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.