Home / 771,344.68-1,156,898.22-210,422.92

Finding the Fourth Proportional to 771,344.68, 1,156,898.22 and 210,422.92

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Solution

The fourth proportional to 771,344.68, 1,156,898.22 and 210,422.92 is: 315,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,344.68 : 1,156,898.22 = 210,422.92 : x
  2. Step 2: Convert to fraction form
    771,344.68/1,156,898.22 = 210,422.92/x
  3. Step 3: Cross multiply
    771,344.68x = 1,156,898.22 × 210,422.92
  4. Step 4: Simplify right side
    771,344.68x = 243,437,901,595.20
  5. Step 5: Solve for x
    x = 243,437,901,595.20/771,344.68
  6. Step 6: Final answer
    x = 315,601.97

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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.