Home / 752,392.83-1,128,064.35-278,951.07

Finding the Fourth Proportional to 752,392.83, 1,128,064.35 and 278,951.07

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Solution

The fourth proportional to 752,392.83, 1,128,064.35 and 278,951.07 is: 418,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,392.83 : 1,128,064.35 = 278,951.07 : x
  2. Step 2: Convert to fraction form
    752,392.83/1,128,064.35 = 278,951.07/x
  3. Step 3: Cross multiply
    752,392.83x = 1,128,064.35 × 278,951.07
  4. Step 4: Simplify right side
    752,392.83x = 314,674,757,461.36
  5. Step 5: Solve for x
    x = 314,674,757,461.36/752,392.83
  6. Step 6: Final answer
    x = 418,232.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.