Home / 780,073.92-1,170,256.14-247,451.40

Finding the Fourth Proportional to 780,073.92, 1,170,256.14 and 247,451.40

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Solution

The fourth proportional to 780,073.92, 1,170,256.14 and 247,451.40 is: 371,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,073.92 : 1,170,256.14 = 247,451.40 : x
  2. Step 2: Convert to fraction form
    780,073.92/1,170,256.14 = 247,451.40/x
  3. Step 3: Cross multiply
    780,073.92x = 1,170,256.14 × 247,451.40
  4. Step 4: Simplify right side
    780,073.92x = 289,581,520,201.60
  5. Step 5: Solve for x
    x = 289,581,520,201.60/780,073.92
  6. Step 6: Final answer
    x = 371,223.18

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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.