Home / 346,728.20-521,258.70-295,406.60

Finding the Fourth Proportional to 346,728.20, 521,258.70 and 295,406.60

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Solution

The fourth proportional to 346,728.20, 521,258.70 and 295,406.60 is: 444,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,728.20 : 521,258.70 = 295,406.60 : x
  2. Step 2: Convert to fraction form
    346,728.20/521,258.70 = 295,406.60/x
  3. Step 3: Cross multiply
    346,728.20x = 521,258.70 × 295,406.60
  4. Step 4: Simplify right side
    346,728.20x = 153,983,260,287.42
  5. Step 5: Solve for x
    x = 153,983,260,287.42/346,728.20
  6. Step 6: Final answer
    x = 444,103.65

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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.