Home / 743,354.29-1,025,796.06-421,057.92

Finding the Fourth Proportional to 743,354.29, 1,025,796.06 and 421,057.92

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Solution

The fourth proportional to 743,354.29, 1,025,796.06 and 421,057.92 is: 581,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,354.29 : 1,025,796.06 = 421,057.92 : x
  2. Step 2: Convert to fraction form
    743,354.29/1,025,796.06 = 421,057.92/x
  3. Step 3: Cross multiply
    743,354.29x = 1,025,796.06 × 421,057.92
  4. Step 4: Simplify right side
    743,354.29x = 431,919,555,367.80
  5. Step 5: Solve for x
    x = 431,919,555,367.80/743,354.29
  6. Step 6: Final answer
    x = 581,041.32

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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.