Home / 504,942.05-696,881.76-290,081.72

Finding the Fourth Proportional to 504,942.05, 696,881.76 and 290,081.72

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Solution

The fourth proportional to 504,942.05, 696,881.76 and 290,081.72 is: 400,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,942.05 : 696,881.76 = 290,081.72 : x
  2. Step 2: Convert to fraction form
    504,942.05/696,881.76 = 290,081.72/x
  3. Step 3: Cross multiply
    504,942.05x = 696,881.76 × 290,081.72
  4. Step 4: Simplify right side
    504,942.05x = 202,152,659,577.43
  5. Step 5: Solve for x
    x = 202,152,659,577.43/504,942.05
  6. Step 6: Final answer
    x = 400,348.24

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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.