Home / 781,435.98-1,172,108.61-301,569.91

Finding the Fourth Proportional to 781,435.98, 1,172,108.61 and 301,569.91

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Solution

The fourth proportional to 781,435.98, 1,172,108.61 and 301,569.91 is: 452,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,435.98 : 1,172,108.61 = 301,569.91 : x
  2. Step 2: Convert to fraction form
    781,435.98/1,172,108.61 = 301,569.91/x
  3. Step 3: Cross multiply
    781,435.98x = 1,172,108.61 × 301,569.91
  4. Step 4: Simplify right side
    781,435.98x = 353,472,685,097.65
  5. Step 5: Solve for x
    x = 353,472,685,097.65/781,435.98
  6. Step 6: Final answer
    x = 452,337.36

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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.