Home / 693,591.66-1,040,328.36-272,866.32

Finding the Fourth Proportional to 693,591.66, 1,040,328.36 and 272,866.32

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Solution

The fourth proportional to 693,591.66, 1,040,328.36 and 272,866.32 is: 409,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,591.66 : 1,040,328.36 = 272,866.32 : x
  2. Step 2: Convert to fraction form
    693,591.66/1,040,328.36 = 272,866.32/x
  3. Step 3: Cross multiply
    693,591.66x = 1,040,328.36 × 272,866.32
  4. Step 4: Simplify right side
    693,591.66x = 283,870,571,184.84
  5. Step 5: Solve for x
    x = 283,870,571,184.84/693,591.66
  6. Step 6: Final answer
    x = 409,276.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.