Home / 741,660.48-1,023,513.12-419,363.76

Finding the Fourth Proportional to 741,660.48, 1,023,513.12 and 419,363.76

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Solution

The fourth proportional to 741,660.48, 1,023,513.12 and 419,363.76 is: 578,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,660.48 : 1,023,513.12 = 419,363.76 : x
  2. Step 2: Convert to fraction form
    741,660.48/1,023,513.12 = 419,363.76/x
  3. Step 3: Cross multiply
    741,660.48x = 1,023,513.12 × 419,363.76
  4. Step 4: Simplify right side
    741,660.48x = 429,224,310,412.53
  5. Step 5: Solve for x
    x = 429,224,310,412.53/741,660.48
  6. Step 6: Final answer
    x = 578,734.23

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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.