Home / 847,296.90-1,270,544.40-492,419.70

Finding the Fourth Proportional to 847,296.90, 1,270,544.40 and 492,419.70

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Solution

The fourth proportional to 847,296.90, 1,270,544.40 and 492,419.70 is: 738,396.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,296.90 : 1,270,544.40 = 492,419.70 : x
  2. Step 2: Convert to fraction form
    847,296.90/1,270,544.40 = 492,419.70/x
  3. Step 3: Cross multiply
    847,296.90x = 1,270,544.40 × 492,419.70
  4. Step 4: Simplify right side
    847,296.90x = 625,641,092,284.68
  5. Step 5: Solve for x
    x = 625,641,092,284.68/847,296.90
  6. Step 6: Final answer
    x = 738,396.53

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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.