Home / 940,619.13-1,298,063.94-510,907.65

Finding the Fourth Proportional to 940,619.13, 1,298,063.94 and 510,907.65

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Solution

The fourth proportional to 940,619.13, 1,298,063.94 and 510,907.65 is: 705,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,619.13 : 1,298,063.94 = 510,907.65 : x
  2. Step 2: Convert to fraction form
    940,619.13/1,298,063.94 = 510,907.65/x
  3. Step 3: Cross multiply
    940,619.13x = 1,298,063.94 × 510,907.65
  4. Step 4: Simplify right side
    940,619.13x = 663,190,797,135.14
  5. Step 5: Solve for x
    x = 663,190,797,135.14/940,619.13
  6. Step 6: Final answer
    x = 705,057.74

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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.