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Finding the Fourth Proportional to 566,570.68, 781,837.86 and 311,872.12

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Solution

The fourth proportional to 566,570.68, 781,837.86 and 311,872.12 is: 430,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,570.68 : 781,837.86 = 311,872.12 : x
  2. Step 2: Convert to fraction form
    566,570.68/781,837.86 = 311,872.12/x
  3. Step 3: Cross multiply
    566,570.68x = 781,837.86 × 311,872.12
  4. Step 4: Simplify right side
    566,570.68x = 243,833,430,894.46
  5. Step 5: Solve for x
    x = 243,833,430,894.46/566,570.68
  6. Step 6: Final answer
    x = 430,367.19

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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.