Home / 931,502.48-1,285,609.56-523,637.91

Finding the Fourth Proportional to 931,502.48, 1,285,609.56 and 523,637.91

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Solution

The fourth proportional to 931,502.48, 1,285,609.56 and 523,637.91 is: 722,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,502.48 : 1,285,609.56 = 523,637.91 : x
  2. Step 2: Convert to fraction form
    931,502.48/1,285,609.56 = 523,637.91/x
  3. Step 3: Cross multiply
    931,502.48x = 1,285,609.56 × 523,637.91
  4. Step 4: Simplify right side
    931,502.48x = 673,193,903,074.42
  5. Step 5: Solve for x
    x = 673,193,903,074.42/931,502.48
  6. Step 6: Final answer
    x = 722,696.85

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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.