Home / 741,607.79-1,023,438.90-419,366.10

Finding the Fourth Proportional to 741,607.79, 1,023,438.90 and 419,366.10

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Solution

The fourth proportional to 741,607.79, 1,023,438.90 and 419,366.10 is: 578,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,607.79 : 1,023,438.90 = 419,366.10 : x
  2. Step 2: Convert to fraction form
    741,607.79/1,023,438.90 = 419,366.10/x
  3. Step 3: Cross multiply
    741,607.79x = 1,023,438.90 × 419,366.10
  4. Step 4: Simplify right side
    741,607.79x = 429,195,577,522.69
  5. Step 5: Solve for x
    x = 429,195,577,522.69/741,607.79
  6. Step 6: Final answer
    x = 578,736.61

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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.