Home / 749,178.88-1,123,599.76-216,581.28

Finding the Fourth Proportional to 749,178.88, 1,123,599.76 and 216,581.28

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Solution

The fourth proportional to 749,178.88, 1,123,599.76 and 216,581.28 is: 324,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,178.88 : 1,123,599.76 = 216,581.28 : x
  2. Step 2: Convert to fraction form
    749,178.88/1,123,599.76 = 216,581.28/x
  3. Step 3: Cross multiply
    749,178.88x = 1,123,599.76 × 216,581.28
  4. Step 4: Simplify right side
    749,178.88x = 243,350,674,228.49
  5. Step 5: Solve for x
    x = 243,350,674,228.49/749,178.88
  6. Step 6: Final answer
    x = 324,823.19

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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.