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Finding the Fourth Proportional to 671,695.38, 925,362.96 and 467,394.96

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Solution

The fourth proportional to 671,695.38, 925,362.96 and 467,394.96 is: 643,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,695.38 : 925,362.96 = 467,394.96 : x
  2. Step 2: Convert to fraction form
    671,695.38/925,362.96 = 467,394.96/x
  3. Step 3: Cross multiply
    671,695.38x = 925,362.96 × 467,394.96
  4. Step 4: Simplify right side
    671,695.38x = 432,509,983,674.68
  5. Step 5: Solve for x
    x = 432,509,983,674.68/671,695.38
  6. Step 6: Final answer
    x = 643,907.93

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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.