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Finding the Fourth Proportional to 637,961.67, 880,753.64 and 423,392.67

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Solution

The fourth proportional to 637,961.67, 880,753.64 and 423,392.67 is: 584,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,961.67 : 880,753.64 = 423,392.67 : x
  2. Step 2: Convert to fraction form
    637,961.67/880,753.64 = 423,392.67/x
  3. Step 3: Cross multiply
    637,961.67x = 880,753.64 × 423,392.67
  4. Step 4: Simplify right side
    637,961.67x = 372,904,633,134.86
  5. Step 5: Solve for x
    x = 372,904,633,134.86/637,961.67
  6. Step 6: Final answer
    x = 584,525.14

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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.