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Finding the Fourth Proportional to 662,482.70, 993,514.92 and 213,103.41

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Solution

The fourth proportional to 662,482.70, 993,514.92 and 213,103.41 is: 319,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,482.70 : 993,514.92 = 213,103.41 : x
  2. Step 2: Convert to fraction form
    662,482.70/993,514.92 = 213,103.41/x
  3. Step 3: Cross multiply
    662,482.70x = 993,514.92 × 213,103.41
  4. Step 4: Simplify right side
    662,482.70x = 211,721,412,813.06
  5. Step 5: Solve for x
    x = 211,721,412,813.06/662,482.70
  6. Step 6: Final answer
    x = 319,587.84

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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.