Home / 752,835.27-1,038,920.22-408,673.92

Finding the Fourth Proportional to 752,835.27, 1,038,920.22 and 408,673.92

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Solution

The fourth proportional to 752,835.27, 1,038,920.22 and 408,673.92 is: 563,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,835.27 : 1,038,920.22 = 408,673.92 : x
  2. Step 2: Convert to fraction form
    752,835.27/1,038,920.22 = 408,673.92/x
  3. Step 3: Cross multiply
    752,835.27x = 1,038,920.22 × 408,673.92
  4. Step 4: Simplify right side
    752,835.27x = 424,579,598,874.66
  5. Step 5: Solve for x
    x = 424,579,598,874.66/752,835.27
  6. Step 6: Final answer
    x = 563,974.11

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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.