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Finding the Fourth Proportional to 452,876.34, 624,984.42 and 248,934.54

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Solution

The fourth proportional to 452,876.34, 624,984.42 and 248,934.54 is: 343,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,876.34 : 624,984.42 = 248,934.54 : x
  2. Step 2: Convert to fraction form
    452,876.34/624,984.42 = 248,934.54/x
  3. Step 3: Cross multiply
    452,876.34x = 624,984.42 × 248,934.54
  4. Step 4: Simplify right side
    452,876.34x = 155,580,209,099.87
  5. Step 5: Solve for x
    x = 155,580,209,099.87/452,876.34
  6. Step 6: Final answer
    x = 343,537.95

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1.5x scale

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.