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Finding the Fourth Proportional to 587,144.40, 880,100.92 and 287,210.96

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Solution

The fourth proportional to 587,144.40, 880,100.92 and 287,210.96 is: 430,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,144.40 : 880,100.92 = 287,210.96 : x
  2. Step 2: Convert to fraction form
    587,144.40/880,100.92 = 287,210.96/x
  3. Step 3: Cross multiply
    587,144.40x = 880,100.92 × 287,210.96
  4. Step 4: Simplify right side
    587,144.40x = 252,774,630,130.08
  5. Step 5: Solve for x
    x = 252,774,630,130.08/587,144.40
  6. Step 6: Final answer
    x = 430,515.27

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1.5x scale

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.