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Finding the Fourth Proportional to 536,485.60, 804,728.40 and 449,880.40

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Solution

The fourth proportional to 536,485.60, 804,728.40 and 449,880.40 is: 674,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,485.60 : 804,728.40 = 449,880.40 : x
  2. Step 2: Convert to fraction form
    536,485.60/804,728.40 = 449,880.40/x
  3. Step 3: Cross multiply
    536,485.60x = 804,728.40 × 449,880.40
  4. Step 4: Simplify right side
    536,485.60x = 362,031,534,483.36
  5. Step 5: Solve for x
    x = 362,031,534,483.36/536,485.60
  6. Step 6: Final answer
    x = 674,820.60

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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.