Home / 499,766.24-689,683.05-270,328.07

Finding the Fourth Proportional to 499,766.24, 689,683.05 and 270,328.07

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Solution

The fourth proportional to 499,766.24, 689,683.05 and 270,328.07 is: 373,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,766.24 : 689,683.05 = 270,328.07 : x
  2. Step 2: Convert to fraction form
    499,766.24/689,683.05 = 270,328.07/x
  3. Step 3: Cross multiply
    499,766.24x = 689,683.05 × 270,328.07
  4. Step 4: Simplify right side
    499,766.24x = 186,440,684,369.80
  5. Step 5: Solve for x
    x = 186,440,684,369.80/499,766.24
  6. Step 6: Final answer
    x = 373,055.78

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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.