Home / 691,055.20-1,036,635.28-235,504.85

Finding the Fourth Proportional to 691,055.20, 1,036,635.28 and 235,504.85

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Solution

The fourth proportional to 691,055.20, 1,036,635.28 and 235,504.85 is: 353,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,055.20 : 1,036,635.28 = 235,504.85 : x
  2. Step 2: Convert to fraction form
    691,055.20/1,036,635.28 = 235,504.85/x
  3. Step 3: Cross multiply
    691,055.20x = 1,036,635.28 × 235,504.85
  4. Step 4: Simplify right side
    691,055.20x = 244,132,634,943.58
  5. Step 5: Solve for x
    x = 244,132,634,943.58/691,055.20
  6. Step 6: Final answer
    x = 353,275.16

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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.