Home / 750,685.41-1,036,020.33-428,444.31

Finding the Fourth Proportional to 750,685.41, 1,036,020.33 and 428,444.31

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Solution

The fourth proportional to 750,685.41, 1,036,020.33 and 428,444.31 is: 591,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,685.41 : 1,036,020.33 = 428,444.31 : x
  2. Step 2: Convert to fraction form
    750,685.41/1,036,020.33 = 428,444.31/x
  3. Step 3: Cross multiply
    750,685.41x = 1,036,020.33 × 428,444.31
  4. Step 4: Simplify right side
    750,685.41x = 443,877,015,432.82
  5. Step 5: Solve for x
    x = 443,877,015,432.82/750,685.41
  6. Step 6: Final answer
    x = 591,295.65

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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.