Home / 749,993.30-1,124,880.60-217,458.80

Finding the Fourth Proportional to 749,993.30, 1,124,880.60 and 217,458.80

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Solution

The fourth proportional to 749,993.30, 1,124,880.60 and 217,458.80 is: 326,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,993.30 : 1,124,880.60 = 217,458.80 : x
  2. Step 2: Convert to fraction form
    749,993.30/1,124,880.60 = 217,458.80/x
  3. Step 3: Cross multiply
    749,993.30x = 1,124,880.60 × 217,458.80
  4. Step 4: Simplify right side
    749,993.30x = 244,615,185,419.28
  5. Step 5: Solve for x
    x = 244,615,185,419.28/749,993.30
  6. Step 6: Final answer
    x = 326,156.49

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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.