Home / 750,682.40-1,036,016.19-428,441.31

Finding the Fourth Proportional to 750,682.40, 1,036,016.19 and 428,441.31

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Solution

The fourth proportional to 750,682.40, 1,036,016.19 and 428,441.31 is: 591,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,682.40 : 1,036,016.19 = 428,441.31 : x
  2. Step 2: Convert to fraction form
    750,682.40/1,036,016.19 = 428,441.31/x
  3. Step 3: Cross multiply
    750,682.40x = 1,036,016.19 × 428,441.31
  4. Step 4: Simplify right side
    750,682.40x = 443,872,133,624.81
  5. Step 5: Solve for x
    x = 443,872,133,624.81/750,682.40
  6. Step 6: Final answer
    x = 591,291.52

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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.