Home / 914,949.20-1,372,556.28-283,913.84

Finding the Fourth Proportional to 914,949.20, 1,372,556.28 and 283,913.84

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Solution

The fourth proportional to 914,949.20, 1,372,556.28 and 283,913.84 is: 425,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,949.20 : 1,372,556.28 = 283,913.84 : x
  2. Step 2: Convert to fraction form
    914,949.20/1,372,556.28 = 283,913.84/x
  3. Step 3: Cross multiply
    914,949.20x = 1,372,556.28 × 283,913.84
  4. Step 4: Simplify right side
    914,949.20x = 389,687,724,070.92
  5. Step 5: Solve for x
    x = 389,687,724,070.92/914,949.20
  6. Step 6: Final answer
    x = 425,911.87

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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.