Home / 726,827.75-1,003,012.18-404,537.93

Finding the Fourth Proportional to 726,827.75, 1,003,012.18 and 404,537.93

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Solution

The fourth proportional to 726,827.75, 1,003,012.18 and 404,537.93 is: 558,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,827.75 : 1,003,012.18 = 404,537.93 : x
  2. Step 2: Convert to fraction form
    726,827.75/1,003,012.18 = 404,537.93/x
  3. Step 3: Cross multiply
    726,827.75x = 1,003,012.18 × 404,537.93
  4. Step 4: Simplify right side
    726,827.75x = 405,756,465,035.58
  5. Step 5: Solve for x
    x = 405,756,465,035.58/726,827.75
  6. Step 6: Final answer
    x = 558,256.71

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1.5x scale

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.