Home / 790,797.78-1,091,315.97-433,101.78

Finding the Fourth Proportional to 790,797.78, 1,091,315.97 and 433,101.78

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Solution

The fourth proportional to 790,797.78, 1,091,315.97 and 433,101.78 is: 597,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,797.78 : 1,091,315.97 = 433,101.78 : x
  2. Step 2: Convert to fraction form
    790,797.78/1,091,315.97 = 433,101.78/x
  3. Step 3: Cross multiply
    790,797.78x = 1,091,315.97 × 433,101.78
  4. Step 4: Simplify right side
    790,797.78x = 472,650,889,149.43
  5. Step 5: Solve for x
    x = 472,650,889,149.43/790,797.78
  6. Step 6: Final answer
    x = 597,688.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.