Home / 752,258.14-1,038,186.54-429,905.28

Finding the Fourth Proportional to 752,258.14, 1,038,186.54 and 429,905.28

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Solution

The fourth proportional to 752,258.14, 1,038,186.54 and 429,905.28 is: 593,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,258.14 : 1,038,186.54 = 429,905.28 : x
  2. Step 2: Convert to fraction form
    752,258.14/1,038,186.54 = 429,905.28/x
  3. Step 3: Cross multiply
    752,258.14x = 1,038,186.54 × 429,905.28
  4. Step 4: Simplify right side
    752,258.14x = 446,321,875,170.93
  5. Step 5: Solve for x
    x = 446,321,875,170.93/752,258.14
  6. Step 6: Final answer
    x = 593,309.47

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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.