Home / 753,750.32-1,040,339.51-463,611.28

Finding the Fourth Proportional to 753,750.32, 1,040,339.51 and 463,611.28

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Solution

The fourth proportional to 753,750.32, 1,040,339.51 and 463,611.28 is: 639,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,750.32 : 1,040,339.51 = 463,611.28 : x
  2. Step 2: Convert to fraction form
    753,750.32/1,040,339.51 = 463,611.28/x
  3. Step 3: Cross multiply
    753,750.32x = 1,040,339.51 × 463,611.28
  4. Step 4: Simplify right side
    753,750.32x = 482,313,131,865.67
  5. Step 5: Solve for x
    x = 482,313,131,865.67/753,750.32
  6. Step 6: Final answer
    x = 639,884.48

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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.