Home / 753,160.40-1,039,110.92-447,330.32

Finding the Fourth Proportional to 753,160.40, 1,039,110.92 and 447,330.32

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Solution

The fourth proportional to 753,160.40, 1,039,110.92 and 447,330.32 is: 617,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,160.40 : 1,039,110.92 = 447,330.32 : x
  2. Step 2: Convert to fraction form
    753,160.40/1,039,110.92 = 447,330.32/x
  3. Step 3: Cross multiply
    753,160.40x = 1,039,110.92 × 447,330.32
  4. Step 4: Simplify right side
    753,160.40x = 464,825,820,359.09
  5. Step 5: Solve for x
    x = 464,825,820,359.09/753,160.40
  6. Step 6: Final answer
    x = 617,167.10

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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.