Home / 847,254.90-1,270,481.40-492,377.70

Finding the Fourth Proportional to 847,254.90, 1,270,481.40 and 492,377.70

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Solution

The fourth proportional to 847,254.90, 1,270,481.40 and 492,377.70 is: 738,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,254.90 : 1,270,481.40 = 492,377.70 : x
  2. Step 2: Convert to fraction form
    847,254.90/1,270,481.40 = 492,377.70/x
  3. Step 3: Cross multiply
    847,254.90x = 1,270,481.40 × 492,377.70
  4. Step 4: Simplify right side
    847,254.90x = 625,556,709,624.78
  5. Step 5: Solve for x
    x = 625,556,709,624.78/847,254.90
  6. Step 6: Final answer
    x = 738,333.54

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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.