Home / 726,898.86-1,003,098.09-404,600.67

Finding the Fourth Proportional to 726,898.86, 1,003,098.09 and 404,600.67

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Solution

The fourth proportional to 726,898.86, 1,003,098.09 and 404,600.67 is: 558,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,898.86 : 1,003,098.09 = 404,600.67 : x
  2. Step 2: Convert to fraction form
    726,898.86/1,003,098.09 = 404,600.67/x
  3. Step 3: Cross multiply
    726,898.86x = 1,003,098.09 × 404,600.67
  4. Step 4: Simplify right side
    726,898.86x = 405,854,159,289.72
  5. Step 5: Solve for x
    x = 405,854,159,289.72/726,898.86
  6. Step 6: Final answer
    x = 558,336.49

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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.