Home / 711,024.80-1,066,537.20-511,959.20

Finding the Fourth Proportional to 711,024.80, 1,066,537.20 and 511,959.20

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Solution

The fourth proportional to 711,024.80, 1,066,537.20 and 511,959.20 is: 767,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,024.80 : 1,066,537.20 = 511,959.20 : x
  2. Step 2: Convert to fraction form
    711,024.80/1,066,537.20 = 511,959.20/x
  3. Step 3: Cross multiply
    711,024.80x = 1,066,537.20 × 511,959.20
  4. Step 4: Simplify right side
    711,024.80x = 546,023,531,682.24
  5. Step 5: Solve for x
    x = 546,023,531,682.24/711,024.80
  6. Step 6: Final answer
    x = 767,938.80

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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.