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Finding the Fourth Proportional to 674,147.20, 930,696.80 and 459,602.52

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Solution

The fourth proportional to 674,147.20, 930,696.80 and 459,602.52 is: 634,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,147.20 : 930,696.80 = 459,602.52 : x
  2. Step 2: Convert to fraction form
    674,147.20/930,696.80 = 459,602.52/x
  3. Step 3: Cross multiply
    674,147.20x = 930,696.80 × 459,602.52
  4. Step 4: Simplify right side
    674,147.20x = 427,750,594,635.94
  5. Step 5: Solve for x
    x = 427,750,594,635.94/674,147.20
  6. Step 6: Final answer
    x = 634,506.22

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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.