Home / 728,818.68-1,093,439.54-302,276.28

Finding the Fourth Proportional to 728,818.68, 1,093,439.54 and 302,276.28

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Solution

The fourth proportional to 728,818.68, 1,093,439.54 and 302,276.28 is: 453,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,818.68 : 1,093,439.54 = 302,276.28 : x
  2. Step 2: Convert to fraction form
    728,818.68/1,093,439.54 = 302,276.28/x
  3. Step 3: Cross multiply
    728,818.68x = 1,093,439.54 × 302,276.28
  4. Step 4: Simplify right side
    728,818.68x = 330,520,836,556.11
  5. Step 5: Solve for x
    x = 330,520,836,556.11/728,818.68
  6. Step 6: Final answer
    x = 453,502.15

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1.5x scale

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.