Home / 790,853.70-1,186,280.01-317,538.84

Finding the Fourth Proportional to 790,853.70, 1,186,280.01 and 317,538.84

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Solution

The fourth proportional to 790,853.70, 1,186,280.01 and 317,538.84 is: 476,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,853.70 : 1,186,280.01 = 317,538.84 : x
  2. Step 2: Convert to fraction form
    790,853.70/1,186,280.01 = 317,538.84/x
  3. Step 3: Cross multiply
    790,853.70x = 1,186,280.01 × 317,538.84
  4. Step 4: Simplify right side
    790,853.70x = 376,689,978,290.59
  5. Step 5: Solve for x
    x = 376,689,978,290.59/790,853.70
  6. Step 6: Final answer
    x = 476,308.04

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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.