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Finding the Fourth Proportional to 674,269.45, 930,476.26 and 368,347.10

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Solution

The fourth proportional to 674,269.45, 930,476.26 and 368,347.10 is: 508,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,269.45 : 930,476.26 = 368,347.10 : x
  2. Step 2: Convert to fraction form
    674,269.45/930,476.26 = 368,347.10/x
  3. Step 3: Cross multiply
    674,269.45x = 930,476.26 × 368,347.10
  4. Step 4: Simplify right side
    674,269.45x = 342,738,227,797.90
  5. Step 5: Solve for x
    x = 342,738,227,797.90/674,269.45
  6. Step 6: Final answer
    x = 508,310.48

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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.