Home / 750,839.90-1,036,172.31-411,286.10

Finding the Fourth Proportional to 750,839.90, 1,036,172.31 and 411,286.10

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Solution

The fourth proportional to 750,839.90, 1,036,172.31 and 411,286.10 is: 567,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,839.90 : 1,036,172.31 = 411,286.10 : x
  2. Step 2: Convert to fraction form
    750,839.90/1,036,172.31 = 411,286.10/x
  3. Step 3: Cross multiply
    750,839.90x = 1,036,172.31 × 411,286.10
  4. Step 4: Simplify right side
    750,839.90x = 426,163,268,307.89
  5. Step 5: Solve for x
    x = 426,163,268,307.89/750,839.90
  6. Step 6: Final answer
    x = 567,582.07

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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.