Home / 777,823.99-1,073,358.62-438,314.11

Finding the Fourth Proportional to 777,823.99, 1,073,358.62 and 438,314.11

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Solution

The fourth proportional to 777,823.99, 1,073,358.62 and 438,314.11 is: 604,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,823.99 : 1,073,358.62 = 438,314.11 : x
  2. Step 2: Convert to fraction form
    777,823.99/1,073,358.62 = 438,314.11/x
  3. Step 3: Cross multiply
    777,823.99x = 1,073,358.62 × 438,314.11
  4. Step 4: Simplify right side
    777,823.99x = 470,468,226,044.56
  5. Step 5: Solve for x
    x = 470,468,226,044.56/777,823.99
  6. Step 6: Final answer
    x = 604,851.78

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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.