Home / 759,217.66-1,138,596.45-399,194.53

Finding the Fourth Proportional to 759,217.66, 1,138,596.45 and 399,194.53

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Solution

The fourth proportional to 759,217.66, 1,138,596.45 and 399,194.53 is: 598,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,217.66 : 1,138,596.45 = 399,194.53 : x
  2. Step 2: Convert to fraction form
    759,217.66/1,138,596.45 = 399,194.53/x
  3. Step 3: Cross multiply
    759,217.66x = 1,138,596.45 × 399,194.53
  4. Step 4: Simplify right side
    759,217.66x = 454,521,470,373.95
  5. Step 5: Solve for x
    x = 454,521,470,373.95/759,217.66
  6. Step 6: Final answer
    x = 598,670.84

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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.