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Finding the Fourth Proportional to 608,564.60, 912,846.90 and 276,140.60

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Solution

The fourth proportional to 608,564.60, 912,846.90 and 276,140.60 is: 414,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,564.60 : 912,846.90 = 276,140.60 : x
  2. Step 2: Convert to fraction form
    608,564.60/912,846.90 = 276,140.60/x
  3. Step 3: Cross multiply
    608,564.60x = 912,846.90 × 276,140.60
  4. Step 4: Simplify right side
    608,564.60x = 252,074,090,674.14
  5. Step 5: Solve for x
    x = 252,074,090,674.14/608,564.60
  6. Step 6: Final answer
    x = 414,210.90

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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.