Home / 878,304.24-1,316,439.54-403,994.16

Finding the Fourth Proportional to 878,304.24, 1,316,439.54 and 403,994.16

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Solution

The fourth proportional to 878,304.24, 1,316,439.54 and 403,994.16 is: 605,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,304.24 : 1,316,439.54 = 403,994.16 : x
  2. Step 2: Convert to fraction form
    878,304.24/1,316,439.54 = 403,994.16/x
  3. Step 3: Cross multiply
    878,304.24x = 1,316,439.54 × 403,994.16
  4. Step 4: Simplify right side
    878,304.24x = 531,833,886,153.09
  5. Step 5: Solve for x
    x = 531,833,886,153.09/878,304.24
  6. Step 6: Final answer
    x = 605,523.53

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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.