Home / 694,742.72-1,041,406.68-315,932.36

Finding the Fourth Proportional to 694,742.72, 1,041,406.68 and 315,932.36

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Solution

The fourth proportional to 694,742.72, 1,041,406.68 and 315,932.36 is: 473,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,742.72 : 1,041,406.68 = 315,932.36 : x
  2. Step 2: Convert to fraction form
    694,742.72/1,041,406.68 = 315,932.36/x
  3. Step 3: Cross multiply
    694,742.72x = 1,041,406.68 × 315,932.36
  4. Step 4: Simplify right side
    694,742.72x = 329,014,070,132.17
  5. Step 5: Solve for x
    x = 329,014,070,132.17/694,742.72
  6. Step 6: Final answer
    x = 473,576.85

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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.