Home / 692,093.60-1,038,140.40-243,321.20

Finding the Fourth Proportional to 692,093.60, 1,038,140.40 and 243,321.20

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Solution

The fourth proportional to 692,093.60, 1,038,140.40 and 243,321.20 is: 364,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,093.60 : 1,038,140.40 = 243,321.20 : x
  2. Step 2: Convert to fraction form
    692,093.60/1,038,140.40 = 243,321.20/x
  3. Step 3: Cross multiply
    692,093.60x = 1,038,140.40 × 243,321.20
  4. Step 4: Simplify right side
    692,093.60x = 252,601,567,896.48
  5. Step 5: Solve for x
    x = 252,601,567,896.48/692,093.60
  6. Step 6: Final answer
    x = 364,981.80

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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.