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Finding the Fourth Proportional to 671,446.17, 926,567.33 and 365,516.19

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Solution

The fourth proportional to 671,446.17, 926,567.33 and 365,516.19 is: 504,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,446.17 : 926,567.33 = 365,516.19 : x
  2. Step 2: Convert to fraction form
    671,446.17/926,567.33 = 365,516.19/x
  3. Step 3: Cross multiply
    671,446.17x = 926,567.33 × 365,516.19
  4. Step 4: Simplify right side
    671,446.17x = 338,675,358,412.49
  5. Step 5: Solve for x
    x = 338,675,358,412.49/671,446.17
  6. Step 6: Final answer
    x = 504,396.89

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Double scale
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1.5x scale

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.