Home / 876,674.20-1,315,011.30-758,576.20

Finding the Fourth Proportional to 876,674.20, 1,315,011.30 and 758,576.20

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Solution

The fourth proportional to 876,674.20, 1,315,011.30 and 758,576.20 is: 1,137,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,674.20 : 1,315,011.30 = 758,576.20 : x
  2. Step 2: Convert to fraction form
    876,674.20/1,315,011.30 = 758,576.20/x
  3. Step 3: Cross multiply
    876,674.20x = 1,315,011.30 × 758,576.20
  4. Step 4: Simplify right side
    876,674.20x = 997,536,274,911.06
  5. Step 5: Solve for x
    x = 997,536,274,911.06/876,674.20
  6. Step 6: Final answer
    x = 1,137,864.30

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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.