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Finding the Fourth Proportional to 452,644.32, 624,659.64 and 248,707.98

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Solution

The fourth proportional to 452,644.32, 624,659.64 and 248,707.98 is: 343,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,644.32 : 624,659.64 = 248,707.98 : x
  2. Step 2: Convert to fraction form
    452,644.32/624,659.64 = 248,707.98/x
  3. Step 3: Cross multiply
    452,644.32x = 624,659.64 × 248,707.98
  4. Step 4: Simplify right side
    452,644.32x = 155,357,837,251.93
  5. Step 5: Solve for x
    x = 155,357,837,251.93/452,644.32
  6. Step 6: Final answer
    x = 343,222.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.