Home / 674,211.93-930,372.05-368,227.40

Finding the Fourth Proportional to 674,211.93, 930,372.05 and 368,227.40

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Solution

The fourth proportional to 674,211.93, 930,372.05 and 368,227.40 is: 508,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,211.93 : 930,372.05 = 368,227.40 : x
  2. Step 2: Convert to fraction form
    674,211.93/930,372.05 = 368,227.40/x
  3. Step 3: Cross multiply
    674,211.93x = 930,372.05 × 368,227.40
  4. Step 4: Simplify right side
    674,211.93x = 342,588,474,511.17
  5. Step 5: Solve for x
    x = 342,588,474,511.17/674,211.93
  6. Step 6: Final answer
    x = 508,131.73

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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.