Home / 667,294.71-1,000,942.52-384,831.81

Finding the Fourth Proportional to 667,294.71, 1,000,942.52 and 384,831.81

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Solution

The fourth proportional to 667,294.71, 1,000,942.52 and 384,831.81 is: 577,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,294.71 : 1,000,942.52 = 384,831.81 : x
  2. Step 2: Convert to fraction form
    667,294.71/1,000,942.52 = 384,831.81/x
  3. Step 3: Cross multiply
    667,294.71x = 1,000,942.52 × 384,831.81
  4. Step 4: Simplify right side
    667,294.71x = 385,194,519,753.40
  5. Step 5: Solve for x
    x = 385,194,519,753.40/667,294.71
  6. Step 6: Final answer
    x = 577,247.98

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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.