Home / 847,134.46-1,270,702.14-531,812.80

Finding the Fourth Proportional to 847,134.46, 1,270,702.14 and 531,812.80

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Solution

The fourth proportional to 847,134.46, 1,270,702.14 and 531,812.80 is: 797,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,134.46 : 1,270,702.14 = 531,812.80 : x
  2. Step 2: Convert to fraction form
    847,134.46/1,270,702.14 = 531,812.80/x
  3. Step 3: Cross multiply
    847,134.46x = 1,270,702.14 × 531,812.80
  4. Step 4: Simplify right side
    847,134.46x = 675,775,663,039.39
  5. Step 5: Solve for x
    x = 675,775,663,039.39/847,134.46
  6. Step 6: Final answer
    x = 797,719.48

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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.