Home / 648,577.80-972,869.94-293,175.72

Finding the Fourth Proportional to 648,577.80, 972,869.94 and 293,175.72

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Solution

The fourth proportional to 648,577.80, 972,869.94 and 293,175.72 is: 439,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,577.80 : 972,869.94 = 293,175.72 : x
  2. Step 2: Convert to fraction form
    648,577.80/972,869.94 = 293,175.72/x
  3. Step 3: Cross multiply
    648,577.80x = 972,869.94 × 293,175.72
  4. Step 4: Simplify right side
    648,577.80x = 285,221,845,125.86
  5. Step 5: Solve for x
    x = 285,221,845,125.86/648,577.80
  6. Step 6: Final answer
    x = 439,765.04

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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.