Home / 670,472.68-1,005,044.70-314,850.10

Finding the Fourth Proportional to 670,472.68, 1,005,044.70 and 314,850.10

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Solution

The fourth proportional to 670,472.68, 1,005,044.70 and 314,850.10 is: 471,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,472.68 : 1,005,044.70 = 314,850.10 : x
  2. Step 2: Convert to fraction form
    670,472.68/1,005,044.70 = 314,850.10/x
  3. Step 3: Cross multiply
    670,472.68x = 1,005,044.70 × 314,850.10
  4. Step 4: Simplify right side
    670,472.68x = 316,438,424,299.47
  5. Step 5: Solve for x
    x = 316,438,424,299.47/670,472.68
  6. Step 6: Final answer
    x = 471,963.19

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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.