Home / 772,803.70-1,159,205.55-687,182.65

Finding the Fourth Proportional to 772,803.70, 1,159,205.55 and 687,182.65

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Solution

The fourth proportional to 772,803.70, 1,159,205.55 and 687,182.65 is: 1,030,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,803.70 : 1,159,205.55 = 687,182.65 : x
  2. Step 2: Convert to fraction form
    772,803.70/1,159,205.55 = 687,182.65/x
  3. Step 3: Cross multiply
    772,803.70x = 1,159,205.55 × 687,182.65
  4. Step 4: Simplify right side
    772,803.70x = 796,585,941,743.71
  5. Step 5: Solve for x
    x = 796,585,941,743.71/772,803.70
  6. Step 6: Final answer
    x = 1,030,773.98

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Double scale
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Similar ratio
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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.