Home / 777,343.94-1,072,821.48-433,211.30

Finding the Fourth Proportional to 777,343.94, 1,072,821.48 and 433,211.30

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Solution

The fourth proportional to 777,343.94, 1,072,821.48 and 433,211.30 is: 597,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,343.94 : 1,072,821.48 = 433,211.30 : x
  2. Step 2: Convert to fraction form
    777,343.94/1,072,821.48 = 433,211.30/x
  3. Step 3: Cross multiply
    777,343.94x = 1,072,821.48 × 433,211.30
  4. Step 4: Simplify right side
    777,343.94x = 464,758,388,018.72
  5. Step 5: Solve for x
    x = 464,758,388,018.72/777,343.94
  6. Step 6: Final answer
    x = 597,879.99

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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.