Home / 766,776.90-1,150,378.72-334,532.18

Finding the Fourth Proportional to 766,776.90, 1,150,378.72 and 334,532.18

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Solution

The fourth proportional to 766,776.90, 1,150,378.72 and 334,532.18 is: 501,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,776.90 : 1,150,378.72 = 334,532.18 : x
  2. Step 2: Convert to fraction form
    766,776.90/1,150,378.72 = 334,532.18/x
  3. Step 3: Cross multiply
    766,776.90x = 1,150,378.72 × 334,532.18
  4. Step 4: Simplify right side
    766,776.90x = 384,838,705,262.19
  5. Step 5: Solve for x
    x = 384,838,705,262.19/766,776.90
  6. Step 6: Final answer
    x = 501,891.37

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Double scale
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Similar ratio
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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.