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Finding the Fourth Proportional to 587,056.49, 880,886.01 and 279,656.59

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Solution

The fourth proportional to 587,056.49, 880,886.01 and 279,656.59 is: 419,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,056.49 : 880,886.01 = 279,656.59 : x
  2. Step 2: Convert to fraction form
    587,056.49/880,886.01 = 279,656.59/x
  3. Step 3: Cross multiply
    587,056.49x = 880,886.01 × 279,656.59
  4. Step 4: Simplify right side
    587,056.49x = 246,345,576,208.18
  5. Step 5: Solve for x
    x = 246,345,576,208.18/587,056.49
  6. Step 6: Final answer
    x = 419,628.40

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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.