Home / 995,439.78-1,493,165.10-247,485.78

Finding the Fourth Proportional to 995,439.78, 1,493,165.10 and 247,485.78

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Solution

The fourth proportional to 995,439.78, 1,493,165.10 and 247,485.78 is: 371,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,439.78 : 1,493,165.10 = 247,485.78 : x
  2. Step 2: Convert to fraction form
    995,439.78/1,493,165.10 = 247,485.78/x
  3. Step 3: Cross multiply
    995,439.78x = 1,493,165.10 × 247,485.78
  4. Step 4: Simplify right side
    995,439.78x = 369,537,129,442.28
  5. Step 5: Solve for x
    x = 369,537,129,442.28/995,439.78
  6. Step 6: Final answer
    x = 371,230.02

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.