Home / 723,812.46-1,085,012.64-344,631.31

Finding the Fourth Proportional to 723,812.46, 1,085,012.64 and 344,631.31

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Solution

The fourth proportional to 723,812.46, 1,085,012.64 and 344,631.31 is: 516,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,812.46 : 1,085,012.64 = 344,631.31 : x
  2. Step 2: Convert to fraction form
    723,812.46/1,085,012.64 = 344,631.31/x
  3. Step 3: Cross multiply
    723,812.46x = 1,085,012.64 × 344,631.31
  4. Step 4: Simplify right side
    723,812.46x = 373,929,327,489.76
  5. Step 5: Solve for x
    x = 373,929,327,489.76/723,812.46
  6. Step 6: Final answer
    x = 516,610.79

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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.