Home / 662,480.51-993,581.44-213,241.55

Finding the Fourth Proportional to 662,480.51, 993,581.44 and 213,241.55

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Solution

The fourth proportional to 662,480.51, 993,581.44 and 213,241.55 is: 319,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,480.51 : 993,581.44 = 213,241.55 : x
  2. Step 2: Convert to fraction form
    662,480.51/993,581.44 = 213,241.55/x
  3. Step 3: Cross multiply
    662,480.51x = 993,581.44 × 213,241.55
  4. Step 4: Simplify right side
    662,480.51x = 211,872,840,282.72
  5. Step 5: Solve for x
    x = 211,872,840,282.72/662,480.51
  6. Step 6: Final answer
    x = 319,817.47

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Double scale
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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.