Home / 648,572.80-972,862.44-293,170.72

Finding the Fourth Proportional to 648,572.80, 972,862.44 and 293,170.72

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Solution

The fourth proportional to 648,572.80, 972,862.44 and 293,170.72 is: 439,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,572.80 : 972,862.44 = 293,170.72 : x
  2. Step 2: Convert to fraction form
    648,572.80/972,862.44 = 293,170.72/x
  3. Step 3: Cross multiply
    648,572.80x = 972,862.44 × 293,170.72
  4. Step 4: Simplify right side
    648,572.80x = 285,214,781,995.76
  5. Step 5: Solve for x
    x = 285,214,781,995.76/648,572.80
  6. Step 6: Final answer
    x = 439,757.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.