Home / 990,771.76-1,367,272.03-538,062.76

Finding the Fourth Proportional to 990,771.76, 1,367,272.03 and 538,062.76

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Solution

The fourth proportional to 990,771.76, 1,367,272.03 and 538,062.76 is: 742,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,771.76 : 1,367,272.03 = 538,062.76 : x
  2. Step 2: Convert to fraction form
    990,771.76/1,367,272.03 = 538,062.76/x
  3. Step 3: Cross multiply
    990,771.76x = 1,367,272.03 × 538,062.76
  4. Step 4: Simplify right side
    990,771.76x = 735,678,157,369.27
  5. Step 5: Solve for x
    x = 735,678,157,369.27/990,771.76
  6. Step 6: Final answer
    x = 742,530.41

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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.