Home / 774,491.19-1,162,191.87-325,177.50

Finding the Fourth Proportional to 774,491.19, 1,162,191.87 and 325,177.50

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Solution

The fourth proportional to 774,491.19, 1,162,191.87 and 325,177.50 is: 487,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,491.19 : 1,162,191.87 = 325,177.50 : x
  2. Step 2: Convert to fraction form
    774,491.19/1,162,191.87 = 325,177.50/x
  3. Step 3: Cross multiply
    774,491.19x = 1,162,191.87 × 325,177.50
  4. Step 4: Simplify right side
    774,491.19x = 377,918,651,165.15
  5. Step 5: Solve for x
    x = 377,918,651,165.15/774,491.19
  6. Step 6: Final answer
    x = 487,957.33

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Double scale
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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.