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Finding the Fourth Proportional to 592,672.38, 817,881.51 and 320,734.26

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Solution

The fourth proportional to 592,672.38, 817,881.51 and 320,734.26 is: 442,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,672.38 : 817,881.51 = 320,734.26 : x
  2. Step 2: Convert to fraction form
    592,672.38/817,881.51 = 320,734.26/x
  3. Step 3: Cross multiply
    592,672.38x = 817,881.51 × 320,734.26
  4. Step 4: Simplify right side
    592,672.38x = 262,322,620,877.53
  5. Step 5: Solve for x
    x = 262,322,620,877.53/592,672.38
  6. Step 6: Final answer
    x = 442,609.83

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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.