Home / 787,748.49-1,181,747.68-282,298.57

Finding the Fourth Proportional to 787,748.49, 1,181,747.68 and 282,298.57

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Solution

The fourth proportional to 787,748.49, 1,181,747.68 and 282,298.57 is: 423,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,748.49 : 1,181,747.68 = 282,298.57 : x
  2. Step 2: Convert to fraction form
    787,748.49/1,181,747.68 = 282,298.57/x
  3. Step 3: Cross multiply
    787,748.49x = 1,181,747.68 × 282,298.57
  4. Step 4: Simplify right side
    787,748.49x = 333,605,676,504.70
  5. Step 5: Solve for x
    x = 333,605,676,504.70/787,748.49
  6. Step 6: Final answer
    x = 423,492.63

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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.