Home / 771,247.40-1,156,871.10-692,709.80

Finding the Fourth Proportional to 771,247.40, 1,156,871.10 and 692,709.80

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Solution

The fourth proportional to 771,247.40, 1,156,871.10 and 692,709.80 is: 1,039,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,247.40 : 1,156,871.10 = 692,709.80 : x
  2. Step 2: Convert to fraction form
    771,247.40/1,156,871.10 = 692,709.80/x
  3. Step 3: Cross multiply
    771,247.40x = 1,156,871.10 × 692,709.80
  4. Step 4: Simplify right side
    771,247.40x = 801,375,948,306.78
  5. Step 5: Solve for x
    x = 801,375,948,306.78/771,247.40
  6. Step 6: Final answer
    x = 1,039,064.70

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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.