Home / 747,370.36-1,120,934.94-214,769.80

Finding the Fourth Proportional to 747,370.36, 1,120,934.94 and 214,769.80

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Solution

The fourth proportional to 747,370.36, 1,120,934.94 and 214,769.80 is: 322,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,370.36 : 1,120,934.94 = 214,769.80 : x
  2. Step 2: Convert to fraction form
    747,370.36/1,120,934.94 = 214,769.80/x
  3. Step 3: Cross multiply
    747,370.36x = 1,120,934.94 × 214,769.80
  4. Step 4: Simplify right side
    747,370.36x = 240,742,972,876.81
  5. Step 5: Solve for x
    x = 240,742,972,876.81/747,370.36
  6. Step 6: Final answer
    x = 322,120.04

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1.5x scale

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.