Home / 810,631.56-1,215,290.84-337,670.94

Finding the Fourth Proportional to 810,631.56, 1,215,290.84 and 337,670.94

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Solution

The fourth proportional to 810,631.56, 1,215,290.84 and 337,670.94 is: 506,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,631.56 : 1,215,290.84 = 337,670.94 : x
  2. Step 2: Convert to fraction form
    810,631.56/1,215,290.84 = 337,670.94/x
  3. Step 3: Cross multiply
    810,631.56x = 1,215,290.84 × 337,670.94
  4. Step 4: Simplify right side
    810,631.56x = 410,368,400,316.19
  5. Step 5: Solve for x
    x = 410,368,400,316.19/810,631.56
  6. Step 6: Final answer
    x = 506,232.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.