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Finding the Fourth Proportional to 609,406.32, 913,610.76 and 230,111.88

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Solution

The fourth proportional to 609,406.32, 913,610.76 and 230,111.88 is: 344,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,406.32 : 913,610.76 = 230,111.88 : x
  2. Step 2: Convert to fraction form
    609,406.32/913,610.76 = 230,111.88/x
  3. Step 3: Cross multiply
    609,406.32x = 913,610.76 × 230,111.88
  4. Step 4: Simplify right side
    609,406.32x = 210,232,689,571.83
  5. Step 5: Solve for x
    x = 210,232,689,571.83/609,406.32
  6. Step 6: Final answer
    x = 344,979.50

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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.