Home / 765,998.74-1,147,922.63-605,368.45

Finding the Fourth Proportional to 765,998.74, 1,147,922.63 and 605,368.45

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Solution

The fourth proportional to 765,998.74, 1,147,922.63 and 605,368.45 is: 907,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,998.74 : 1,147,922.63 = 605,368.45 : x
  2. Step 2: Convert to fraction form
    765,998.74/1,147,922.63 = 605,368.45/x
  3. Step 3: Cross multiply
    765,998.74x = 1,147,922.63 × 605,368.45
  4. Step 4: Simplify right side
    765,998.74x = 694,916,134,476.57
  5. Step 5: Solve for x
    x = 694,916,134,476.57/765,998.74
  6. Step 6: Final answer
    x = 907,202.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.