Home / 693,914.25-1,040,343.93-480,113.81

Finding the Fourth Proportional to 693,914.25, 1,040,343.93 and 480,113.81

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Solution

The fourth proportional to 693,914.25, 1,040,343.93 and 480,113.81 is: 719,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,914.25 : 1,040,343.93 = 480,113.81 : x
  2. Step 2: Convert to fraction form
    693,914.25/1,040,343.93 = 480,113.81/x
  3. Step 3: Cross multiply
    693,914.25x = 1,040,343.93 × 480,113.81
  4. Step 4: Simplify right side
    693,914.25x = 499,483,482,740.95
  5. Step 5: Solve for x
    x = 499,483,482,740.95/693,914.25
  6. Step 6: Final answer
    x = 719,805.77

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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.