Home / 878,727.03-1,318,078.25-346,252.68

Finding the Fourth Proportional to 878,727.03, 1,318,078.25 and 346,252.68

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Solution

The fourth proportional to 878,727.03, 1,318,078.25 and 346,252.68 is: 519,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,727.03 : 1,318,078.25 = 346,252.68 : x
  2. Step 2: Convert to fraction form
    878,727.03/1,318,078.25 = 346,252.68/x
  3. Step 3: Cross multiply
    878,727.03x = 1,318,078.25 × 346,252.68
  4. Step 4: Simplify right side
    878,727.03x = 456,388,119,838.15
  5. Step 5: Solve for x
    x = 456,388,119,838.15/878,727.03
  6. Step 6: Final answer
    x = 519,374.17

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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.