Home / 741,605.92-1,023,387.77-419,322.76

Finding the Fourth Proportional to 741,605.92, 1,023,387.77 and 419,322.76

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Solution

The fourth proportional to 741,605.92, 1,023,387.77 and 419,322.76 is: 578,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,605.92 : 1,023,387.77 = 419,322.76 : x
  2. Step 2: Convert to fraction form
    741,605.92/1,023,387.77 = 419,322.76/x
  3. Step 3: Cross multiply
    741,605.92x = 1,023,387.77 × 419,322.76
  4. Step 4: Simplify right side
    741,605.92x = 429,129,782,756.48
  5. Step 5: Solve for x
    x = 429,129,782,756.48/741,605.92
  6. Step 6: Final answer
    x = 578,649.35

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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.