Home / 744,904.60-1,117,356.90-271,605.40

Finding the Fourth Proportional to 744,904.60, 1,117,356.90 and 271,605.40

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Solution

The fourth proportional to 744,904.60, 1,117,356.90 and 271,605.40 is: 407,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,904.60 : 1,117,356.90 = 271,605.40 : x
  2. Step 2: Convert to fraction form
    744,904.60/1,117,356.90 = 271,605.40/x
  3. Step 3: Cross multiply
    744,904.60x = 1,117,356.90 × 271,605.40
  4. Step 4: Simplify right side
    744,904.60x = 303,480,167,767.26
  5. Step 5: Solve for x
    x = 303,480,167,767.26/744,904.60
  6. Step 6: Final answer
    x = 407,408.10

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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.