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Finding the Fourth Proportional to 578,627.35, 867,187.03 and 322,449.72

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Solution

The fourth proportional to 578,627.35, 867,187.03 and 322,449.72 is: 483,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,627.35 : 867,187.03 = 322,449.72 : x
  2. Step 2: Convert to fraction form
    578,627.35/867,187.03 = 322,449.72/x
  3. Step 3: Cross multiply
    578,627.35x = 867,187.03 × 322,449.72
  4. Step 4: Simplify right side
    578,627.35x = 279,624,215,011.13
  5. Step 5: Solve for x
    x = 279,624,215,011.13/578,627.35
  6. Step 6: Final answer
    x = 483,254.40

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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.