Home / 950,152.72-1,311,211.31-520,440.02

Finding the Fourth Proportional to 950,152.72, 1,311,211.31 and 520,440.02

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Solution

The fourth proportional to 950,152.72, 1,311,211.31 and 520,440.02 is: 718,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,152.72 : 1,311,211.31 = 520,440.02 : x
  2. Step 2: Convert to fraction form
    950,152.72/1,311,211.31 = 520,440.02/x
  3. Step 3: Cross multiply
    950,152.72x = 1,311,211.31 × 520,440.02
  4. Step 4: Simplify right side
    950,152.72x = 682,406,840,400.63
  5. Step 5: Solve for x
    x = 682,406,840,400.63/950,152.72
  6. Step 6: Final answer
    x = 718,207.53

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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.