Home / 736,279.20-1,105,455.60-456,343.20

Finding the Fourth Proportional to 736,279.20, 1,105,455.60 and 456,343.20

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Solution

The fourth proportional to 736,279.20, 1,105,455.60 and 456,343.20 is: 685,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,279.20 : 1,105,455.60 = 456,343.20 : x
  2. Step 2: Convert to fraction form
    736,279.20/1,105,455.60 = 456,343.20/x
  3. Step 3: Cross multiply
    736,279.20x = 1,105,455.60 × 456,343.20
  4. Step 4: Simplify right side
    736,279.20x = 504,467,145,961.92
  5. Step 5: Solve for x
    x = 504,467,145,961.92/736,279.20
  6. Step 6: Final answer
    x = 685,157.40

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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.