Home / 777,438.12-1,072,823.22-437,884.50

Finding the Fourth Proportional to 777,438.12, 1,072,823.22 and 437,884.50

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Solution

The fourth proportional to 777,438.12, 1,072,823.22 and 437,884.50 is: 604,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,438.12 : 1,072,823.22 = 437,884.50 : x
  2. Step 2: Convert to fraction form
    777,438.12/1,072,823.22 = 437,884.50/x
  3. Step 3: Cross multiply
    777,438.12x = 1,072,823.22 × 437,884.50
  4. Step 4: Simplify right side
    777,438.12x = 469,772,659,278.09
  5. Step 5: Solve for x
    x = 469,772,659,278.09/777,438.12
  6. Step 6: Final answer
    x = 604,257.30

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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.