Home / 842,869.50-1,264,305.53-344,233.50

Finding the Fourth Proportional to 842,869.50, 1,264,305.53 and 344,233.50

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Solution

The fourth proportional to 842,869.50, 1,264,305.53 and 344,233.50 is: 516,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,869.50 : 1,264,305.53 = 344,233.50 : x
  2. Step 2: Convert to fraction form
    842,869.50/1,264,305.53 = 344,233.50/x
  3. Step 3: Cross multiply
    842,869.50x = 1,264,305.53 × 344,233.50
  4. Step 4: Simplify right side
    842,869.50x = 435,216,318,521.84
  5. Step 5: Solve for x
    x = 435,216,318,521.84/842,869.50
  6. Step 6: Final answer
    x = 516,350.77

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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.