Home / 777,009.93-1,072,306.78-432,845.44

Finding the Fourth Proportional to 777,009.93, 1,072,306.78 and 432,845.44

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Solution

The fourth proportional to 777,009.93, 1,072,306.78 and 432,845.44 is: 597,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,009.93 : 1,072,306.78 = 432,845.44 : x
  2. Step 2: Convert to fraction form
    777,009.93/1,072,306.78 = 432,845.44/x
  3. Step 3: Cross multiply
    777,009.93x = 1,072,306.78 × 432,845.44
  4. Step 4: Simplify right side
    777,009.93x = 464,143,097,839.86
  5. Step 5: Solve for x
    x = 464,143,097,839.86/777,009.93
  6. Step 6: Final answer
    x = 597,345.13

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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.