Home / 741,879.40-1,023,794.76-402,347.92

Finding the Fourth Proportional to 741,879.40, 1,023,794.76 and 402,347.92

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Solution

The fourth proportional to 741,879.40, 1,023,794.76 and 402,347.92 is: 555,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,879.40 : 1,023,794.76 = 402,347.92 : x
  2. Step 2: Convert to fraction form
    741,879.40/1,023,794.76 = 402,347.92/x
  3. Step 3: Cross multiply
    741,879.40x = 1,023,794.76 × 402,347.92
  4. Step 4: Simplify right side
    741,879.40x = 411,921,692,192.90
  5. Step 5: Solve for x
    x = 411,921,692,192.90/741,879.40
  6. Step 6: Final answer
    x = 555,240.77

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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.