Home / 711,949.26-1,068,095.20-291,226.36

Finding the Fourth Proportional to 711,949.26, 1,068,095.20 and 291,226.36

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Solution

The fourth proportional to 711,949.26, 1,068,095.20 and 291,226.36 is: 436,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,949.26 : 1,068,095.20 = 291,226.36 : x
  2. Step 2: Convert to fraction form
    711,949.26/1,068,095.20 = 291,226.36/x
  3. Step 3: Cross multiply
    711,949.26x = 1,068,095.20 × 291,226.36
  4. Step 4: Simplify right side
    711,949.26x = 311,057,477,229.47
  5. Step 5: Solve for x
    x = 311,057,477,229.47/711,949.26
  6. Step 6: Final answer
    x = 436,909.62

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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.