Home / 849,645.38-1,172,510.95-467,669.42

Finding the Fourth Proportional to 849,645.38, 1,172,510.95 and 467,669.42

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Solution

The fourth proportional to 849,645.38, 1,172,510.95 and 467,669.42 is: 645,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,645.38 : 1,172,510.95 = 467,669.42 : x
  2. Step 2: Convert to fraction form
    849,645.38/1,172,510.95 = 467,669.42/x
  3. Step 3: Cross multiply
    849,645.38x = 1,172,510.95 × 467,669.42
  4. Step 4: Simplify right side
    849,645.38x = 548,347,515,930.15
  5. Step 5: Solve for x
    x = 548,347,515,930.15/849,645.38
  6. Step 6: Final answer
    x = 645,383.98

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Double scale
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1.5x scale

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.