Home / 754,283.12-1,040,948.10-467,895.47

Finding the Fourth Proportional to 754,283.12, 1,040,948.10 and 467,895.47

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Solution

The fourth proportional to 754,283.12, 1,040,948.10 and 467,895.47 is: 645,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,283.12 : 1,040,948.10 = 467,895.47 : x
  2. Step 2: Convert to fraction form
    754,283.12/1,040,948.10 = 467,895.47/x
  3. Step 3: Cross multiply
    754,283.12x = 1,040,948.10 × 467,895.47
  4. Step 4: Simplify right side
    754,283.12x = 487,054,900,495.11
  5. Step 5: Solve for x
    x = 487,054,900,495.11/754,283.12
  6. Step 6: Final answer
    x = 645,718.95

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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.