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Finding the Fourth Proportional to 710,837.73, 980,958.03 and 424,351.65

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Solution

The fourth proportional to 710,837.73, 980,958.03 and 424,351.65 is: 585,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,837.73 : 980,958.03 = 424,351.65 : x
  2. Step 2: Convert to fraction form
    710,837.73/980,958.03 = 424,351.65/x
  3. Step 3: Cross multiply
    710,837.73x = 980,958.03 × 424,351.65
  4. Step 4: Simplify right side
    710,837.73x = 416,271,158,611.25
  5. Step 5: Solve for x
    x = 416,271,158,611.25/710,837.73
  6. Step 6: Final answer
    x = 585,606.45

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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.