Home / 753,564.72-1,039,917.63-431,281.11

Finding the Fourth Proportional to 753,564.72, 1,039,917.63 and 431,281.11

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Solution

The fourth proportional to 753,564.72, 1,039,917.63 and 431,281.11 is: 595,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,564.72 : 1,039,917.63 = 431,281.11 : x
  2. Step 2: Convert to fraction form
    753,564.72/1,039,917.63 = 431,281.11/x
  3. Step 3: Cross multiply
    753,564.72x = 1,039,917.63 × 431,281.11
  4. Step 4: Simplify right side
    753,564.72x = 448,496,829,774.97
  5. Step 5: Solve for x
    x = 448,496,829,774.97/753,564.72
  6. Step 6: Final answer
    x = 595,166.97

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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.