Home / 838,833.12-1,258,582.32-306,388.80

Finding the Fourth Proportional to 838,833.12, 1,258,582.32 and 306,388.80

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Solution

The fourth proportional to 838,833.12, 1,258,582.32 and 306,388.80 is: 459,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,833.12 : 1,258,582.32 = 306,388.80 : x
  2. Step 2: Convert to fraction form
    838,833.12/1,258,582.32 = 306,388.80/x
  3. Step 3: Cross multiply
    838,833.12x = 1,258,582.32 × 306,388.80
  4. Step 4: Simplify right side
    838,833.12x = 385,615,526,726.02
  5. Step 5: Solve for x
    x = 385,615,526,726.02/838,833.12
  6. Step 6: Final answer
    x = 459,704.70

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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.