Home / 777,844.50-1,073,425.41-438,324.90

Finding the Fourth Proportional to 777,844.50, 1,073,425.41 and 438,324.90

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Solution

The fourth proportional to 777,844.50, 1,073,425.41 and 438,324.90 is: 604,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,844.50 : 1,073,425.41 = 438,324.90 : x
  2. Step 2: Convert to fraction form
    777,844.50/1,073,425.41 = 438,324.90/x
  3. Step 3: Cross multiply
    777,844.50x = 1,073,425.41 × 438,324.90
  4. Step 4: Simplify right side
    777,844.50x = 470,509,085,495.71
  5. Step 5: Solve for x
    x = 470,509,085,495.71/777,844.50
  6. Step 6: Final answer
    x = 604,888.36

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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.