Home / 782,199.69-1,079,279.44-476,071.02

Finding the Fourth Proportional to 782,199.69, 1,079,279.44 and 476,071.02

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Solution

The fourth proportional to 782,199.69, 1,079,279.44 and 476,071.02 is: 656,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,199.69 : 1,079,279.44 = 476,071.02 : x
  2. Step 2: Convert to fraction form
    782,199.69/1,079,279.44 = 476,071.02/x
  3. Step 3: Cross multiply
    782,199.69x = 1,079,279.44 × 476,071.02
  4. Step 4: Simplify right side
    782,199.69x = 513,813,662,675.65
  5. Step 5: Solve for x
    x = 513,813,662,675.65/782,199.69
  6. Step 6: Final answer
    x = 656,882.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.