Home / 777,231.06-1,072,562.70-433,065.60

Finding the Fourth Proportional to 777,231.06, 1,072,562.70 and 433,065.60

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Solution

The fourth proportional to 777,231.06, 1,072,562.70 and 433,065.60 is: 597,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,231.06 : 1,072,562.70 = 433,065.60 : x
  2. Step 2: Convert to fraction form
    777,231.06/1,072,562.70 = 433,065.60/x
  3. Step 3: Cross multiply
    777,231.06x = 1,072,562.70 × 433,065.60
  4. Step 4: Simplify right side
    777,231.06x = 464,490,009,213.12
  5. Step 5: Solve for x
    x = 464,490,009,213.12/777,231.06
  6. Step 6: Final answer
    x = 597,621.52

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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.