Home / 778,561.72-1,167,742.14-246,136.84

Finding the Fourth Proportional to 778,561.72, 1,167,742.14 and 246,136.84

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Solution

The fourth proportional to 778,561.72, 1,167,742.14 and 246,136.84 is: 369,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,561.72 : 1,167,742.14 = 246,136.84 : x
  2. Step 2: Convert to fraction form
    778,561.72/1,167,742.14 = 246,136.84/x
  3. Step 3: Cross multiply
    778,561.72x = 1,167,742.14 × 246,136.84
  4. Step 4: Simplify right side
    778,561.72x = 287,424,360,274.44
  5. Step 5: Solve for x
    x = 287,424,360,274.44/778,561.72
  6. Step 6: Final answer
    x = 369,173.51

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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.