Home / 432,422.10-646,883.55-379,934.10

Finding the Fourth Proportional to 432,422.10, 646,883.55 and 379,934.10

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Solution

The fourth proportional to 432,422.10, 646,883.55 and 379,934.10 is: 568,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,422.10 : 646,883.55 = 379,934.10 : x
  2. Step 2: Convert to fraction form
    432,422.10/646,883.55 = 379,934.10/x
  3. Step 3: Cross multiply
    432,422.10x = 646,883.55 × 379,934.10
  4. Step 4: Simplify right side
    432,422.10x = 245,773,119,374.06
  5. Step 5: Solve for x
    x = 245,773,119,374.06/432,422.10
  6. Step 6: Final answer
    x = 568,363.92

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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.