Home / 752,851.08-1,038,935.28-408,686.82

Finding the Fourth Proportional to 752,851.08, 1,038,935.28 and 408,686.82

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Solution

The fourth proportional to 752,851.08, 1,038,935.28 and 408,686.82 is: 563,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,851.08 : 1,038,935.28 = 408,686.82 : x
  2. Step 2: Convert to fraction form
    752,851.08/1,038,935.28 = 408,686.82/x
  3. Step 3: Cross multiply
    752,851.08x = 1,038,935.28 × 408,686.82
  4. Step 4: Simplify right side
    752,851.08x = 424,599,155,769.01
  5. Step 5: Solve for x
    x = 424,599,155,769.01/752,851.08
  6. Step 6: Final answer
    x = 563,988.24

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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.