Home / 779,615.76-1,169,465.22-247,178.46

Finding the Fourth Proportional to 779,615.76, 1,169,465.22 and 247,178.46

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Solution

The fourth proportional to 779,615.76, 1,169,465.22 and 247,178.46 is: 370,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,615.76 : 1,169,465.22 = 247,178.46 : x
  2. Step 2: Convert to fraction form
    779,615.76/1,169,465.22 = 247,178.46/x
  3. Step 3: Cross multiply
    779,615.76x = 1,169,465.22 × 247,178.46
  4. Step 4: Simplify right side
    779,615.76x = 289,066,612,103.16
  5. Step 5: Solve for x
    x = 289,066,612,103.16/779,615.76
  6. Step 6: Final answer
    x = 370,780.87

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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.