Home / 784,727.10-1,175,417.19-379,306.71

Finding the Fourth Proportional to 784,727.10, 1,175,417.19 and 379,306.71

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Solution

The fourth proportional to 784,727.10, 1,175,417.19 and 379,306.71 is: 568,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,727.10 : 1,175,417.19 = 379,306.71 : x
  2. Step 2: Convert to fraction form
    784,727.10/1,175,417.19 = 379,306.71/x
  3. Step 3: Cross multiply
    784,727.10x = 1,175,417.19 × 379,306.71
  4. Step 4: Simplify right side
    784,727.10x = 445,843,627,216.35
  5. Step 5: Solve for x
    x = 445,843,627,216.35/784,727.10
  6. Step 6: Final answer
    x = 568,151.18

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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.