Home / 752,677.55-1,038,696.00-408,513.46

Finding the Fourth Proportional to 752,677.55, 1,038,696.00 and 408,513.46

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Solution

The fourth proportional to 752,677.55, 1,038,696.00 and 408,513.46 is: 563,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,677.55 : 1,038,696.00 = 408,513.46 : x
  2. Step 2: Convert to fraction form
    752,677.55/1,038,696.00 = 408,513.46/x
  3. Step 3: Cross multiply
    752,677.55x = 1,038,696.00 × 408,513.46
  4. Step 4: Simplify right side
    752,677.55x = 424,321,289,612.11
  5. Step 5: Solve for x
    x = 424,321,289,612.11/752,677.55
  6. Step 6: Final answer
    x = 563,749.10

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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.