Home / 747,109.80-1,120,672.80-214,635.24

Finding the Fourth Proportional to 747,109.80, 1,120,672.80 and 214,635.24

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Solution

The fourth proportional to 747,109.80, 1,120,672.80 and 214,635.24 is: 321,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,109.80 : 1,120,672.80 = 214,635.24 : x
  2. Step 2: Convert to fraction form
    747,109.80/1,120,672.80 = 214,635.24/x
  3. Step 3: Cross multiply
    747,109.80x = 1,120,672.80 × 214,635.24
  4. Step 4: Simplify right side
    747,109.80x = 240,535,875,389.47
  5. Step 5: Solve for x
    x = 240,535,875,389.47/747,109.80
  6. Step 6: Final answer
    x = 321,955.19

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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.