Home / 691,913.48-1,037,913.96-292,479.80

Finding the Fourth Proportional to 691,913.48, 1,037,913.96 and 292,479.80

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Solution

The fourth proportional to 691,913.48, 1,037,913.96 and 292,479.80 is: 438,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,913.48 : 1,037,913.96 = 292,479.80 : x
  2. Step 2: Convert to fraction form
    691,913.48/1,037,913.96 = 292,479.80/x
  3. Step 3: Cross multiply
    691,913.48x = 1,037,913.96 × 292,479.80
  4. Step 4: Simplify right side
    691,913.48x = 303,568,867,438.01
  5. Step 5: Solve for x
    x = 303,568,867,438.01/691,913.48
  6. Step 6: Final answer
    x = 438,738.19

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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.