Home / 568,486.04-784,505.67-313,831.76

Finding the Fourth Proportional to 568,486.04, 784,505.67 and 313,831.76

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Solution

The fourth proportional to 568,486.04, 784,505.67 and 313,831.76 is: 433,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,486.04 : 784,505.67 = 313,831.76 : x
  2. Step 2: Convert to fraction form
    568,486.04/784,505.67 = 313,831.76/x
  3. Step 3: Cross multiply
    568,486.04x = 784,505.67 × 313,831.76
  4. Step 4: Simplify right side
    568,486.04x = 246,202,795,146.08
  5. Step 5: Solve for x
    x = 246,202,795,146.08/568,486.04
  6. Step 6: Final answer
    x = 433,085.03

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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.