Home / 687,060.29-1,030,107.53-302,626.69

Finding the Fourth Proportional to 687,060.29, 1,030,107.53 and 302,626.69

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Solution

The fourth proportional to 687,060.29, 1,030,107.53 and 302,626.69 is: 453,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,060.29 : 1,030,107.53 = 302,626.69 : x
  2. Step 2: Convert to fraction form
    687,060.29/1,030,107.53 = 302,626.69/x
  3. Step 3: Cross multiply
    687,060.29x = 1,030,107.53 × 302,626.69
  4. Step 4: Simplify right side
    687,060.29x = 311,738,033,966.68
  5. Step 5: Solve for x
    x = 311,738,033,966.68/687,060.29
  6. Step 6: Final answer
    x = 453,727.34

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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.