Home / 750,604.29-1,035,907.80-428,362.83

Finding the Fourth Proportional to 750,604.29, 1,035,907.80 and 428,362.83

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Solution

The fourth proportional to 750,604.29, 1,035,907.80 and 428,362.83 is: 591,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,604.29 : 1,035,907.80 = 428,362.83 : x
  2. Step 2: Convert to fraction form
    750,604.29/1,035,907.80 = 428,362.83/x
  3. Step 3: Cross multiply
    750,604.29x = 1,035,907.80 × 428,362.83
  4. Step 4: Simplify right side
    750,604.29x = 443,744,396,827.07
  5. Step 5: Solve for x
    x = 443,744,396,827.07/750,604.29
  6. Step 6: Final answer
    x = 591,182.87

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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.