Home / 3,207,146.60-4,810,679.76-778,320

Finding the Fourth Proportional to 3,207,146.60, 4,810,679.76 and 778,320

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Solution

The fourth proportional to 3,207,146.60, 4,810,679.76 and 778,320 is: 1,167,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,146.60 : 4,810,679.76 = 778,320 : x
  2. Step 2: Convert to fraction form
    3,207,146.60/4,810,679.76 = 778,320/x
  3. Step 3: Cross multiply
    3,207,146.60x = 4,810,679.76 × 778,320
  4. Step 4: Simplify right side
    3,207,146.60x = 3,744,248,270,803.20
  5. Step 5: Solve for x
    x = 3,744,248,270,803.20/3,207,146.60
  6. Step 6: Final answer
    x = 1,167,470.26

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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.