Home / 640,849.73-960,433.61-471,577.44

Finding the Fourth Proportional to 640,849.73, 960,433.61 and 471,577.44

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Solution

The fourth proportional to 640,849.73, 960,433.61 and 471,577.44 is: 706,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,849.73 : 960,433.61 = 471,577.44 : x
  2. Step 2: Convert to fraction form
    640,849.73/960,433.61 = 471,577.44/x
  3. Step 3: Cross multiply
    640,849.73x = 960,433.61 × 471,577.44
  4. Step 4: Simplify right side
    640,849.73x = 452,918,824,337.50
  5. Step 5: Solve for x
    x = 452,918,824,337.50/640,849.73
  6. Step 6: Final answer
    x = 706,747.32

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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.