Home / 941,290.35-1,298,990.73-511,570.50

Finding the Fourth Proportional to 941,290.35, 1,298,990.73 and 511,570.50

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Solution

The fourth proportional to 941,290.35, 1,298,990.73 and 511,570.50 is: 705,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,290.35 : 1,298,990.73 = 511,570.50 : x
  2. Step 2: Convert to fraction form
    941,290.35/1,298,990.73 = 511,570.50/x
  3. Step 3: Cross multiply
    941,290.35x = 1,298,990.73 × 511,570.50
  4. Step 4: Simplify right side
    941,290.35x = 664,525,337,241.47
  5. Step 5: Solve for x
    x = 664,525,337,241.47/941,290.35
  6. Step 6: Final answer
    x = 705,972.75

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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.