Home / 776,487.11-1,164,555.70-302,928.71

Finding the Fourth Proportional to 776,487.11, 1,164,555.70 and 302,928.71

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Solution

The fourth proportional to 776,487.11, 1,164,555.70 and 302,928.71 is: 454,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,487.11 : 1,164,555.70 = 302,928.71 : x
  2. Step 2: Convert to fraction form
    776,487.11/1,164,555.70 = 302,928.71/x
  3. Step 3: Cross multiply
    776,487.11x = 1,164,555.70 × 302,928.71
  4. Step 4: Simplify right side
    776,487.11x = 352,777,349,344.05
  5. Step 5: Solve for x
    x = 352,777,349,344.05/776,487.11
  6. Step 6: Final answer
    x = 454,324.80

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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.