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Finding the Fourth Proportional to 560,956.79, 840,935.01 and 205,888.43

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Solution

The fourth proportional to 560,956.79, 840,935.01 and 205,888.43 is: 308,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,956.79 : 840,935.01 = 205,888.43 : x
  2. Step 2: Convert to fraction form
    560,956.79/840,935.01 = 205,888.43/x
  3. Step 3: Cross multiply
    560,956.79x = 840,935.01 × 205,888.43
  4. Step 4: Simplify right side
    560,956.79x = 173,138,788,940.93
  5. Step 5: Solve for x
    x = 173,138,788,940.93/560,956.79
  6. Step 6: Final answer
    x = 308,649.07

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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.