Home / 749,226.10-1,123,839.15-243,834.70

Finding the Fourth Proportional to 749,226.10, 1,123,839.15 and 243,834.70

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Solution

The fourth proportional to 749,226.10, 1,123,839.15 and 243,834.70 is: 365,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,226.10 : 1,123,839.15 = 243,834.70 : x
  2. Step 2: Convert to fraction form
    749,226.10/1,123,839.15 = 243,834.70/x
  3. Step 3: Cross multiply
    749,226.10x = 1,123,839.15 × 243,834.70
  4. Step 4: Simplify right side
    749,226.10x = 274,030,981,988.51
  5. Step 5: Solve for x
    x = 274,030,981,988.51/749,226.10
  6. Step 6: Final answer
    x = 365,752.05

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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.