Home / 513,012.10-707,934.57-283,557.46

Finding the Fourth Proportional to 513,012.10, 707,934.57 and 283,557.46

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Solution

The fourth proportional to 513,012.10, 707,934.57 and 283,557.46 is: 391,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,012.10 : 707,934.57 = 283,557.46 : x
  2. Step 2: Convert to fraction form
    513,012.10/707,934.57 = 283,557.46/x
  3. Step 3: Cross multiply
    513,012.10x = 707,934.57 × 283,557.46
  4. Step 4: Simplify right side
    513,012.10x = 200,740,128,515.39
  5. Step 5: Solve for x
    x = 200,740,128,515.39/513,012.10
  6. Step 6: Final answer
    x = 391,297.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.