Home / 731,890.12-1,097,835.20-310,871.56

Finding the Fourth Proportional to 731,890.12, 1,097,835.20 and 310,871.56

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Solution

The fourth proportional to 731,890.12, 1,097,835.20 and 310,871.56 is: 466,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,890.12 : 1,097,835.20 = 310,871.56 : x
  2. Step 2: Convert to fraction form
    731,890.12/1,097,835.20 = 310,871.56/x
  3. Step 3: Cross multiply
    731,890.12x = 1,097,835.20 × 310,871.56
  4. Step 4: Simplify right side
    731,890.12x = 341,285,741,246.91
  5. Step 5: Solve for x
    x = 341,285,741,246.91/731,890.12
  6. Step 6: Final answer
    x = 466,307.35

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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.