Home / 662,479.02-993,718.85-213,199.85

Finding the Fourth Proportional to 662,479.02, 993,718.85 and 213,199.85

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Solution

The fourth proportional to 662,479.02, 993,718.85 and 213,199.85 is: 319,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,479.02 : 993,718.85 = 213,199.85 : x
  2. Step 2: Convert to fraction form
    662,479.02/993,718.85 = 213,199.85/x
  3. Step 3: Cross multiply
    662,479.02x = 993,718.85 × 213,199.85
  4. Step 4: Simplify right side
    662,479.02x = 211,860,703,727.58
  5. Step 5: Solve for x
    x = 211,860,703,727.58/662,479.02
  6. Step 6: Final answer
    x = 319,799.87

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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.