Home / 744,766.65-1,116,275.18-344,562.12

Finding the Fourth Proportional to 744,766.65, 1,116,275.18 and 344,562.12

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Solution

The fourth proportional to 744,766.65, 1,116,275.18 and 344,562.12 is: 516,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,766.65 : 1,116,275.18 = 344,562.12 : x
  2. Step 2: Convert to fraction form
    744,766.65/1,116,275.18 = 344,562.12/x
  3. Step 3: Cross multiply
    744,766.65x = 1,116,275.18 × 344,562.12
  4. Step 4: Simplify right side
    744,766.65x = 384,626,140,801.37
  5. Step 5: Solve for x
    x = 384,626,140,801.37/744,766.65
  6. Step 6: Final answer
    x = 516,438.46

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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.