Home / 888,625.73-1,226,298.45-480,726.38

Finding the Fourth Proportional to 888,625.73, 1,226,298.45 and 480,726.38

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Solution

The fourth proportional to 888,625.73, 1,226,298.45 and 480,726.38 is: 663,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,625.73 : 1,226,298.45 = 480,726.38 : x
  2. Step 2: Convert to fraction form
    888,625.73/1,226,298.45 = 480,726.38/x
  3. Step 3: Cross multiply
    888,625.73x = 1,226,298.45 × 480,726.38
  4. Step 4: Simplify right side
    888,625.73x = 589,514,014,668.11
  5. Step 5: Solve for x
    x = 589,514,014,668.11/888,625.73
  6. Step 6: Final answer
    x = 663,399.67

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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.