Home / 726,483.52-1,089,714.33-326,842.06

Finding the Fourth Proportional to 726,483.52, 1,089,714.33 and 326,842.06

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Solution

The fourth proportional to 726,483.52, 1,089,714.33 and 326,842.06 is: 490,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,483.52 : 1,089,714.33 = 326,842.06 : x
  2. Step 2: Convert to fraction form
    726,483.52/1,089,714.33 = 326,842.06/x
  3. Step 3: Cross multiply
    726,483.52x = 1,089,714.33 × 326,842.06
  4. Step 4: Simplify right side
    726,483.52x = 356,164,476,428.72
  5. Step 5: Solve for x
    x = 356,164,476,428.72/726,483.52
  6. Step 6: Final answer
    x = 490,258.16

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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.