Home / 672,837.49-928,538.13-366,930.56

Finding the Fourth Proportional to 672,837.49, 928,538.13 and 366,930.56

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Solution

The fourth proportional to 672,837.49, 928,538.13 and 366,930.56 is: 506,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,837.49 : 928,538.13 = 366,930.56 : x
  2. Step 2: Convert to fraction form
    672,837.49/928,538.13 = 366,930.56/x
  3. Step 3: Cross multiply
    672,837.49x = 928,538.13 × 366,930.56
  4. Step 4: Simplify right side
    672,837.49x = 340,709,014,496.56
  5. Step 5: Solve for x
    x = 340,709,014,496.56/672,837.49
  6. Step 6: Final answer
    x = 506,376.39

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1.5x scale

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.