Home / 1,138,228.20-1,707,428.70-339,447.24

Finding the Fourth Proportional to 1,138,228.20, 1,707,428.70 and 339,447.24

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Solution

The fourth proportional to 1,138,228.20, 1,707,428.70 and 339,447.24 is: 509,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,228.20 : 1,707,428.70 = 339,447.24 : x
  2. Step 2: Convert to fraction form
    1,138,228.20/1,707,428.70 = 339,447.24/x
  3. Step 3: Cross multiply
    1,138,228.20x = 1,707,428.70 × 339,447.24
  4. Step 4: Simplify right side
    1,138,228.20x = 579,581,959,711.79
  5. Step 5: Solve for x
    x = 579,581,959,711.79/1,138,228.20
  6. Step 6: Final answer
    x = 509,196.63

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1.5x scale

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.