Home / 741,603.20-1,023,432.56-419,361.50

Finding the Fourth Proportional to 741,603.20, 1,023,432.56 and 419,361.50

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Solution

The fourth proportional to 741,603.20, 1,023,432.56 and 419,361.50 is: 578,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,603.20 : 1,023,432.56 = 419,361.50 : x
  2. Step 2: Convert to fraction form
    741,603.20/1,023,432.56 = 419,361.50/x
  3. Step 3: Cross multiply
    741,603.20x = 1,023,432.56 × 419,361.50
  4. Step 4: Simplify right side
    741,603.20x = 429,188,213,510.44
  5. Step 5: Solve for x
    x = 429,188,213,510.44/741,603.20
  6. Step 6: Final answer
    x = 578,730.26

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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.