Home / 726,161.69-1,002,026.36-403,819.67

Finding the Fourth Proportional to 726,161.69, 1,002,026.36 and 403,819.67

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Solution

The fourth proportional to 726,161.69, 1,002,026.36 and 403,819.67 is: 557,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,161.69 : 1,002,026.36 = 403,819.67 : x
  2. Step 2: Convert to fraction form
    726,161.69/1,002,026.36 = 403,819.67/x
  3. Step 3: Cross multiply
    726,161.69x = 1,002,026.36 × 403,819.67
  4. Step 4: Simplify right side
    726,161.69x = 404,637,952,007.40
  5. Step 5: Solve for x
    x = 404,637,952,007.40/726,161.69
  6. Step 6: Final answer
    x = 557,228.45

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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.