Home / 691,261.32-1,035,958.86-359,070.60

Finding the Fourth Proportional to 691,261.32, 1,035,958.86 and 359,070.60

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Solution

The fourth proportional to 691,261.32, 1,035,958.86 and 359,070.60 is: 538,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,261.32 : 1,035,958.86 = 359,070.60 : x
  2. Step 2: Convert to fraction form
    691,261.32/1,035,958.86 = 359,070.60/x
  3. Step 3: Cross multiply
    691,261.32x = 1,035,958.86 × 359,070.60
  4. Step 4: Simplify right side
    691,261.32x = 371,982,369,435.52
  5. Step 5: Solve for x
    x = 371,982,369,435.52/691,261.32
  6. Step 6: Final answer
    x = 538,121.20

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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.