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Finding the Fourth Proportional to 673,537.84, 1,010,473.10 and 200,221.20

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Solution

The fourth proportional to 673,537.84, 1,010,473.10 and 200,221.20 is: 300,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,537.84 : 1,010,473.10 = 200,221.20 : x
  2. Step 2: Convert to fraction form
    673,537.84/1,010,473.10 = 200,221.20/x
  3. Step 3: Cross multiply
    673,537.84x = 1,010,473.10 × 200,221.20
  4. Step 4: Simplify right side
    673,537.84x = 202,318,136,649.72
  5. Step 5: Solve for x
    x = 202,318,136,649.72/673,537.84
  6. Step 6: Final answer
    x = 300,381.25

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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.