Home / 931,891.69-1,397,985.14-300,657.88

Finding the Fourth Proportional to 931,891.69, 1,397,985.14 and 300,657.88

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Solution

The fourth proportional to 931,891.69, 1,397,985.14 and 300,657.88 is: 451,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,891.69 : 1,397,985.14 = 300,657.88 : x
  2. Step 2: Convert to fraction form
    931,891.69/1,397,985.14 = 300,657.88/x
  3. Step 3: Cross multiply
    931,891.69x = 1,397,985.14 × 300,657.88
  4. Step 4: Simplify right side
    931,891.69x = 420,315,248,463.90
  5. Step 5: Solve for x
    x = 420,315,248,463.90/931,891.69
  6. Step 6: Final answer
    x = 451,034.44

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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.