Home / 951,615.83-1,313,231.40-521,898.58

Finding the Fourth Proportional to 951,615.83, 1,313,231.40 and 521,898.58

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Solution

The fourth proportional to 951,615.83, 1,313,231.40 and 521,898.58 is: 720,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,615.83 : 1,313,231.40 = 521,898.58 : x
  2. Step 2: Convert to fraction form
    951,615.83/1,313,231.40 = 521,898.58/x
  3. Step 3: Cross multiply
    951,615.83x = 1,313,231.40 × 521,898.58
  4. Step 4: Simplify right side
    951,615.83x = 685,373,602,871.41
  5. Step 5: Solve for x
    x = 685,373,602,871.41/951,615.83
  6. Step 6: Final answer
    x = 720,220.89

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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.