Home / 878,829.52-1,318,638.12-405,261.04

Finding the Fourth Proportional to 878,829.52, 1,318,638.12 and 405,261.04

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Solution

The fourth proportional to 878,829.52, 1,318,638.12 and 405,261.04 is: 608,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,829.52 : 1,318,638.12 = 405,261.04 : x
  2. Step 2: Convert to fraction form
    878,829.52/1,318,638.12 = 405,261.04/x
  3. Step 3: Cross multiply
    878,829.52x = 1,318,638.12 × 405,261.04
  4. Step 4: Simplify right side
    878,829.52x = 534,392,655,894.85
  5. Step 5: Solve for x
    x = 534,392,655,894.85/878,829.52
  6. Step 6: Final answer
    x = 608,073.17

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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.