Home / 726,950.76-1,003,178.34-404,658.60

Finding the Fourth Proportional to 726,950.76, 1,003,178.34 and 404,658.60

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Solution

The fourth proportional to 726,950.76, 1,003,178.34 and 404,658.60 is: 558,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,950.76 : 1,003,178.34 = 404,658.60 : x
  2. Step 2: Convert to fraction form
    726,950.76/1,003,178.34 = 404,658.60/x
  3. Step 3: Cross multiply
    726,950.76x = 1,003,178.34 × 404,658.60
  4. Step 4: Simplify right side
    726,950.76x = 405,944,742,614.72
  5. Step 5: Solve for x
    x = 405,944,742,614.72/726,950.76
  6. Step 6: Final answer
    x = 558,421.24

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Double scale
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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.