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Finding the Fourth Proportional to 560,670.57, 841,377.30 and 308,127.42

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Solution

The fourth proportional to 560,670.57, 841,377.30 and 308,127.42 is: 462,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,670.57 : 841,377.30 = 308,127.42 : x
  2. Step 2: Convert to fraction form
    560,670.57/841,377.30 = 308,127.42/x
  3. Step 3: Cross multiply
    560,670.57x = 841,377.30 × 308,127.42
  4. Step 4: Simplify right side
    560,670.57x = 259,251,415,540.09
  5. Step 5: Solve for x
    x = 259,251,415,540.09/560,670.57
  6. Step 6: Final answer
    x = 462,395.26

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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.