Home / 878,924.48-1,318,386.56-405,469.76

Finding the Fourth Proportional to 878,924.48, 1,318,386.56 and 405,469.76

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Solution

The fourth proportional to 878,924.48, 1,318,386.56 and 405,469.76 is: 608,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,924.48 : 1,318,386.56 = 405,469.76 : x
  2. Step 2: Convert to fraction form
    878,924.48/1,318,386.56 = 405,469.76/x
  3. Step 3: Cross multiply
    878,924.48x = 1,318,386.56 × 405,469.76
  4. Step 4: Simplify right side
    878,924.48x = 534,565,882,070.43
  5. Step 5: Solve for x
    x = 534,565,882,070.43/878,924.48
  6. Step 6: Final answer
    x = 608,204.57

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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.