Home / 753,887.67-1,040,373.06-409,723.61

Finding the Fourth Proportional to 753,887.67, 1,040,373.06 and 409,723.61

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Solution

The fourth proportional to 753,887.67, 1,040,373.06 and 409,723.61 is: 565,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,887.67 : 1,040,373.06 = 409,723.61 : x
  2. Step 2: Convert to fraction form
    753,887.67/1,040,373.06 = 409,723.61/x
  3. Step 3: Cross multiply
    753,887.67x = 1,040,373.06 × 409,723.61
  4. Step 4: Simplify right side
    753,887.67x = 426,265,400,688.08
  5. Step 5: Solve for x
    x = 426,265,400,688.08/753,887.67
  6. Step 6: Final answer
    x = 565,422.96

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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.