Home / 771,251.40-1,156,877.10-692,713.80

Finding the Fourth Proportional to 771,251.40, 1,156,877.10 and 692,713.80

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Solution

The fourth proportional to 771,251.40, 1,156,877.10 and 692,713.80 is: 1,039,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,251.40 : 1,156,877.10 = 692,713.80 : x
  2. Step 2: Convert to fraction form
    771,251.40/1,156,877.10 = 692,713.80/x
  3. Step 3: Cross multiply
    771,251.40x = 1,156,877.10 × 692,713.80
  4. Step 4: Simplify right side
    771,251.40x = 801,384,732,073.98
  5. Step 5: Solve for x
    x = 801,384,732,073.98/771,251.40
  6. Step 6: Final answer
    x = 1,039,070.70

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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.