Home / 990,823.32-1,367,343.18-538,114.32

Finding the Fourth Proportional to 990,823.32, 1,367,343.18 and 538,114.32

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Solution

The fourth proportional to 990,823.32, 1,367,343.18 and 538,114.32 is: 742,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,823.32 : 1,367,343.18 = 538,114.32 : x
  2. Step 2: Convert to fraction form
    990,823.32/1,367,343.18 = 538,114.32/x
  3. Step 3: Cross multiply
    990,823.32x = 1,367,343.18 × 538,114.32
  4. Step 4: Simplify right side
    990,823.32x = 735,786,945,512.34
  5. Step 5: Solve for x
    x = 735,786,945,512.34/990,823.32
  6. Step 6: Final answer
    x = 742,601.56

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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.