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Finding the Fourth Proportional to 587,272.40, 880,908.60 and 213,563.60

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Solution

The fourth proportional to 587,272.40, 880,908.60 and 213,563.60 is: 320,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,272.40 : 880,908.60 = 213,563.60 : x
  2. Step 2: Convert to fraction form
    587,272.40/880,908.60 = 213,563.60/x
  3. Step 3: Cross multiply
    587,272.40x = 880,908.60 × 213,563.60
  4. Step 4: Simplify right side
    587,272.40x = 188,130,011,886.96
  5. Step 5: Solve for x
    x = 188,130,011,886.96/587,272.40
  6. Step 6: Final answer
    x = 320,345.40

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Similar ratio
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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.