Home / 714,708.52-1,069,759.10-394,356.76

Finding the Fourth Proportional to 714,708.52, 1,069,759.10 and 394,356.76

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Solution

The fourth proportional to 714,708.52, 1,069,759.10 and 394,356.76 is: 590,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,708.52 : 1,069,759.10 = 394,356.76 : x
  2. Step 2: Convert to fraction form
    714,708.52/1,069,759.10 = 394,356.76/x
  3. Step 3: Cross multiply
    714,708.52x = 1,069,759.10 × 394,356.76
  4. Step 4: Simplify right side
    714,708.52x = 421,866,732,656.52
  5. Step 5: Solve for x
    x = 421,866,732,656.52/714,708.52
  6. Step 6: Final answer
    x = 590,264.03

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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.