Home / 666,984.93-1,001,016.86-516,869.25

Finding the Fourth Proportional to 666,984.93, 1,001,016.86 and 516,869.25

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Solution

The fourth proportional to 666,984.93, 1,001,016.86 and 516,869.25 is: 775,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,984.93 : 1,001,016.86 = 516,869.25 : x
  2. Step 2: Convert to fraction form
    666,984.93/1,001,016.86 = 516,869.25/x
  3. Step 3: Cross multiply
    666,984.93x = 1,001,016.86 × 516,869.25
  4. Step 4: Simplify right side
    666,984.93x = 517,394,831,081.21
  5. Step 5: Solve for x
    x = 517,394,831,081.21/666,984.93
  6. Step 6: Final answer
    x = 775,721.92

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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.