Home / 674,072.92-930,226.83-383,670.23

Finding the Fourth Proportional to 674,072.92, 930,226.83 and 383,670.23

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Solution

The fourth proportional to 674,072.92, 930,226.83 and 383,670.23 is: 529,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,072.92 : 930,226.83 = 383,670.23 : x
  2. Step 2: Convert to fraction form
    674,072.92/930,226.83 = 383,670.23/x
  3. Step 3: Cross multiply
    674,072.92x = 930,226.83 × 383,670.23
  4. Step 4: Simplify right side
    674,072.92x = 356,900,341,818.27
  5. Step 5: Solve for x
    x = 356,900,341,818.27/674,072.92
  6. Step 6: Final answer
    x = 529,468.45

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Double scale
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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.