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Finding the Fourth Proportional to 707,513.54, 976,386.17 and 385,241.27

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Solution

The fourth proportional to 707,513.54, 976,386.17 and 385,241.27 is: 531,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,513.54 : 976,386.17 = 385,241.27 : x
  2. Step 2: Convert to fraction form
    707,513.54/976,386.17 = 385,241.27/x
  3. Step 3: Cross multiply
    707,513.54x = 976,386.17 × 385,241.27
  4. Step 4: Simplify right side
    707,513.54x = 376,144,244,222.41
  5. Step 5: Solve for x
    x = 376,144,244,222.41/707,513.54
  6. Step 6: Final answer
    x = 531,642.47

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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.