Home / 927,987.40-1,391,989.32-367,021.96

Finding the Fourth Proportional to 927,987.40, 1,391,989.32 and 367,021.96

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Solution

The fourth proportional to 927,987.40, 1,391,989.32 and 367,021.96 is: 550,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,987.40 : 1,391,989.32 = 367,021.96 : x
  2. Step 2: Convert to fraction form
    927,987.40/1,391,989.32 = 367,021.96/x
  3. Step 3: Cross multiply
    927,987.40x = 1,391,989.32 × 367,021.96
  4. Step 4: Simplify right side
    927,987.40x = 510,890,648,525.47
  5. Step 5: Solve for x
    x = 510,890,648,525.47/927,987.40
  6. Step 6: Final answer
    x = 550,536.19

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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.