Home / 777,015.92-1,072,315.04-432,851.44

Finding the Fourth Proportional to 777,015.92, 1,072,315.04 and 432,851.44

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Solution

The fourth proportional to 777,015.92, 1,072,315.04 and 432,851.44 is: 597,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,015.92 : 1,072,315.04 = 432,851.44 : x
  2. Step 2: Convert to fraction form
    777,015.92/1,072,315.04 = 432,851.44/x
  3. Step 3: Cross multiply
    777,015.92x = 1,072,315.04 × 432,851.44
  4. Step 4: Simplify right side
    777,015.92x = 464,153,109,197.66
  5. Step 5: Solve for x
    x = 464,153,109,197.66/777,015.92
  6. Step 6: Final answer
    x = 597,353.41

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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.