Home / 1,007,129.43-1,510,311.83-333,008.55

Finding the Fourth Proportional to 1,007,129.43, 1,510,311.83 and 333,008.55

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Solution

The fourth proportional to 1,007,129.43, 1,510,311.83 and 333,008.55 is: 499,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,129.43 : 1,510,311.83 = 333,008.55 : x
  2. Step 2: Convert to fraction form
    1,007,129.43/1,510,311.83 = 333,008.55/x
  3. Step 3: Cross multiply
    1,007,129.43x = 1,510,311.83 × 333,008.55
  4. Step 4: Simplify right side
    1,007,129.43x = 502,946,750,891.10
  5. Step 5: Solve for x
    x = 502,946,750,891.10/1,007,129.43
  6. Step 6: Final answer
    x = 499,386.41

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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.