Home / 672,837.92-1,008,114.40-406,037.80

Finding the Fourth Proportional to 672,837.92, 1,008,114.40 and 406,037.80

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Solution

The fourth proportional to 672,837.92, 1,008,114.40 and 406,037.80 is: 608,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,837.92 : 1,008,114.40 = 406,037.80 : x
  2. Step 2: Convert to fraction form
    672,837.92/1,008,114.40 = 406,037.80/x
  3. Step 3: Cross multiply
    672,837.92x = 1,008,114.40 × 406,037.80
  4. Step 4: Simplify right side
    672,837.92x = 409,332,553,124.32
  5. Step 5: Solve for x
    x = 409,332,553,124.32/672,837.92
  6. Step 6: Final answer
    x = 608,367.25

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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.