Home / 783,122.80-1,174,246.80-333,767.20

Finding the Fourth Proportional to 783,122.80, 1,174,246.80 and 333,767.20

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Solution

The fourth proportional to 783,122.80, 1,174,246.80 and 333,767.20 is: 500,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,122.80 : 1,174,246.80 = 333,767.20 : x
  2. Step 2: Convert to fraction form
    783,122.80/1,174,246.80 = 333,767.20/x
  3. Step 3: Cross multiply
    783,122.80x = 1,174,246.80 × 333,767.20
  4. Step 4: Simplify right side
    783,122.80x = 391,925,066,544.96
  5. Step 5: Solve for x
    x = 391,925,066,544.96/783,122.80
  6. Step 6: Final answer
    x = 500,464.38

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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.