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Finding the Fourth Proportional to 452,807.43, 624,889.23 and 248,865.59

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Solution

The fourth proportional to 452,807.43, 624,889.23 and 248,865.59 is: 343,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,807.43 : 624,889.23 = 248,865.59 : x
  2. Step 2: Convert to fraction form
    452,807.43/624,889.23 = 248,865.59/x
  3. Step 3: Cross multiply
    452,807.43x = 624,889.23 × 248,865.59
  4. Step 4: Simplify right side
    452,807.43x = 155,513,423,784.15
  5. Step 5: Solve for x
    x = 155,513,423,784.15/452,807.43
  6. Step 6: Final answer
    x = 343,442.74

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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.