Home / 750,857.31-1,036,186.74-411,325.56

Finding the Fourth Proportional to 750,857.31, 1,036,186.74 and 411,325.56

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Solution

The fourth proportional to 750,857.31, 1,036,186.74 and 411,325.56 is: 567,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,857.31 : 1,036,186.74 = 411,325.56 : x
  2. Step 2: Convert to fraction form
    750,857.31/1,036,186.74 = 411,325.56/x
  3. Step 3: Cross multiply
    750,857.31x = 1,036,186.74 × 411,325.56
  4. Step 4: Simplify right side
    750,857.31x = 426,210,091,095.07
  5. Step 5: Solve for x
    x = 426,210,091,095.07/750,857.31
  6. Step 6: Final answer
    x = 567,631.27

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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.