Home / 750,678.13-1,036,010.33-428,437.04

Finding the Fourth Proportional to 750,678.13, 1,036,010.33 and 428,437.04

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Solution

The fourth proportional to 750,678.13, 1,036,010.33 and 428,437.04 is: 591,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,678.13 : 1,036,010.33 = 428,437.04 : x
  2. Step 2: Convert to fraction form
    750,678.13/1,036,010.33 = 428,437.04/x
  3. Step 3: Cross multiply
    750,678.13x = 1,036,010.33 × 428,437.04
  4. Step 4: Simplify right side
    750,678.13x = 443,865,199,194.62
  5. Step 5: Solve for x
    x = 443,865,199,194.62/750,678.13
  6. Step 6: Final answer
    x = 591,285.64

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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.