Home / 832,430.40-1,248,645.60-271,464.90

Finding the Fourth Proportional to 832,430.40, 1,248,645.60 and 271,464.90

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Solution

The fourth proportional to 832,430.40, 1,248,645.60 and 271,464.90 is: 407,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,430.40 : 1,248,645.60 = 271,464.90 : x
  2. Step 2: Convert to fraction form
    832,430.40/1,248,645.60 = 271,464.90/x
  3. Step 3: Cross multiply
    832,430.40x = 1,248,645.60 × 271,464.90
  4. Step 4: Simplify right side
    832,430.40x = 338,963,452,939.44
  5. Step 5: Solve for x
    x = 338,963,452,939.44/832,430.40
  6. Step 6: Final answer
    x = 407,197.35

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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.