Home / 715,834.79-1,073,752.38-210,395.80

Finding the Fourth Proportional to 715,834.79, 1,073,752.38 and 210,395.80

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Solution

The fourth proportional to 715,834.79, 1,073,752.38 and 210,395.80 is: 315,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,834.79 : 1,073,752.38 = 210,395.80 : x
  2. Step 2: Convert to fraction form
    715,834.79/1,073,752.38 = 210,395.80/x
  3. Step 3: Cross multiply
    715,834.79x = 1,073,752.38 × 210,395.80
  4. Step 4: Simplify right side
    715,834.79x = 225,912,988,307.62
  5. Step 5: Solve for x
    x = 225,912,988,307.62/715,834.79
  6. Step 6: Final answer
    x = 315,593.76

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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.