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Finding the Fourth Proportional to 536,292.92, 739,304.78 and 374,646.29

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Solution

The fourth proportional to 536,292.92, 739,304.78 and 374,646.29 is: 516,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,292.92 : 739,304.78 = 374,646.29 : x
  2. Step 2: Convert to fraction form
    536,292.92/739,304.78 = 374,646.29/x
  3. Step 3: Cross multiply
    536,292.92x = 739,304.78 × 374,646.29
  4. Step 4: Simplify right side
    536,292.92x = 276,977,787,436.51
  5. Step 5: Solve for x
    x = 276,977,787,436.51/536,292.92
  6. Step 6: Final answer
    x = 516,467.36

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Half scale
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Double scale
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Similar ratio
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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.