Home / 741,778.90-1,023,655.44-402,247.06

Finding the Fourth Proportional to 741,778.90, 1,023,655.44 and 402,247.06

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Solution

The fourth proportional to 741,778.90, 1,023,655.44 and 402,247.06 is: 555,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,778.90 : 1,023,655.44 = 402,247.06 : x
  2. Step 2: Convert to fraction form
    741,778.90/1,023,655.44 = 402,247.06/x
  3. Step 3: Cross multiply
    741,778.90x = 1,023,655.44 × 402,247.06
  4. Step 4: Simplify right side
    741,778.90x = 411,762,391,193.01
  5. Step 5: Solve for x
    x = 411,762,391,193.01/741,778.90
  6. Step 6: Final answer
    x = 555,101.25

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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.