Home / 753,750.34-1,040,339.52-463,611.26

Finding the Fourth Proportional to 753,750.34, 1,040,339.52 and 463,611.26

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Solution

The fourth proportional to 753,750.34, 1,040,339.52 and 463,611.26 is: 639,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,750.34 : 1,040,339.52 = 463,611.26 : x
  2. Step 2: Convert to fraction form
    753,750.34/1,040,339.52 = 463,611.26/x
  3. Step 3: Cross multiply
    753,750.34x = 1,040,339.52 × 463,611.26
  4. Step 4: Simplify right side
    753,750.34x = 482,313,118,295.84
  5. Step 5: Solve for x
    x = 482,313,118,295.84/753,750.34
  6. Step 6: Final answer
    x = 639,884.45

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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.