Home / 748,399.76-1,122,087.22-268,616.90

Finding the Fourth Proportional to 748,399.76, 1,122,087.22 and 268,616.90

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Solution

The fourth proportional to 748,399.76, 1,122,087.22 and 268,616.90 is: 402,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,399.76 : 1,122,087.22 = 268,616.90 : x
  2. Step 2: Convert to fraction form
    748,399.76/1,122,087.22 = 268,616.90/x
  3. Step 3: Cross multiply
    748,399.76x = 1,122,087.22 × 268,616.90
  4. Step 4: Simplify right side
    748,399.76x = 301,411,590,566.02
  5. Step 5: Solve for x
    x = 301,411,590,566.02/748,399.76
  6. Step 6: Final answer
    x = 402,741.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.