Home / 752,258.34-1,038,117.87-412,729.02

Finding the Fourth Proportional to 752,258.34, 1,038,117.87 and 412,729.02

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Solution

The fourth proportional to 752,258.34, 1,038,117.87 and 412,729.02 is: 569,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,258.34 : 1,038,117.87 = 412,729.02 : x
  2. Step 2: Convert to fraction form
    752,258.34/1,038,117.87 = 412,729.02/x
  3. Step 3: Cross multiply
    752,258.34x = 1,038,117.87 × 412,729.02
  4. Step 4: Simplify right side
    752,258.34x = 428,461,371,129.59
  5. Step 5: Solve for x
    x = 428,461,371,129.59/752,258.34
  6. Step 6: Final answer
    x = 569,566.79

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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.