Home / 777,009.43-1,072,306.08-432,844.94

Finding the Fourth Proportional to 777,009.43, 1,072,306.08 and 432,844.94

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Solution

The fourth proportional to 777,009.43, 1,072,306.08 and 432,844.94 is: 597,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,009.43 : 1,072,306.08 = 432,844.94 : x
  2. Step 2: Convert to fraction form
    777,009.43/1,072,306.08 = 432,844.94/x
  3. Step 3: Cross multiply
    777,009.43x = 1,072,306.08 × 432,844.94
  4. Step 4: Simplify right side
    777,009.43x = 464,142,261,142.02
  5. Step 5: Solve for x
    x = 464,142,261,142.02/777,009.43
  6. Step 6: Final answer
    x = 597,344.44

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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.