Home / 637,086.09-879,161.14-361,494.12

Finding the Fourth Proportional to 637,086.09, 879,161.14 and 361,494.12

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Solution

The fourth proportional to 637,086.09, 879,161.14 and 361,494.12 is: 498,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,086.09 : 879,161.14 = 361,494.12 : x
  2. Step 2: Convert to fraction form
    637,086.09/879,161.14 = 361,494.12/x
  3. Step 3: Cross multiply
    637,086.09x = 879,161.14 × 361,494.12
  4. Step 4: Simplify right side
    637,086.09x = 317,811,582,642.50
  5. Step 5: Solve for x
    x = 317,811,582,642.50/637,086.09
  6. Step 6: Final answer
    x = 498,851.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.