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Finding the Fourth Proportional to 560,335.56, 773,262.06 and 305,686.80

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Solution

The fourth proportional to 560,335.56, 773,262.06 and 305,686.80 is: 421,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,335.56 : 773,262.06 = 305,686.80 : x
  2. Step 2: Convert to fraction form
    560,335.56/773,262.06 = 305,686.80/x
  3. Step 3: Cross multiply
    560,335.56x = 773,262.06 × 305,686.80
  4. Step 4: Simplify right side
    560,335.56x = 236,376,004,682.81
  5. Step 5: Solve for x
    x = 236,376,004,682.81/560,335.56
  6. Step 6: Final answer
    x = 421,847.23

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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.