Home / 749,230.20-1,123,991.10-216,768.60

Finding the Fourth Proportional to 749,230.20, 1,123,991.10 and 216,768.60

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Solution

The fourth proportional to 749,230.20, 1,123,991.10 and 216,768.60 is: 325,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,230.20 : 1,123,991.10 = 216,768.60 : x
  2. Step 2: Convert to fraction form
    749,230.20/1,123,991.10 = 216,768.60/x
  3. Step 3: Cross multiply
    749,230.20x = 1,123,991.10 × 216,768.60
  4. Step 4: Simplify right side
    749,230.20x = 243,645,977,159.46
  5. Step 5: Solve for x
    x = 243,645,977,159.46/749,230.20
  6. Step 6: Final answer
    x = 325,195.08

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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.