Home / 753,562.22-1,039,914.18-431,278.61

Finding the Fourth Proportional to 753,562.22, 1,039,914.18 and 431,278.61

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Solution

The fourth proportional to 753,562.22, 1,039,914.18 and 431,278.61 is: 595,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,562.22 : 1,039,914.18 = 431,278.61 : x
  2. Step 2: Convert to fraction form
    753,562.22/1,039,914.18 = 431,278.61/x
  3. Step 3: Cross multiply
    753,562.22x = 1,039,914.18 × 431,278.61
  4. Step 4: Simplify right side
    753,562.22x = 448,492,736,870.12
  5. Step 5: Solve for x
    x = 448,492,736,870.12/753,562.22
  6. Step 6: Final answer
    x = 595,163.52

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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.