Home / 931,142.40-1,396,385.55-332,123.10

Finding the Fourth Proportional to 931,142.40, 1,396,385.55 and 332,123.10

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Solution

The fourth proportional to 931,142.40, 1,396,385.55 and 332,123.10 is: 498,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,142.40 : 1,396,385.55 = 332,123.10 : x
  2. Step 2: Convert to fraction form
    931,142.40/1,396,385.55 = 332,123.10/x
  3. Step 3: Cross multiply
    931,142.40x = 1,396,385.55 × 332,123.10
  4. Step 4: Simplify right side
    931,142.40x = 463,771,897,661.21
  5. Step 5: Solve for x
    x = 463,771,897,661.21/931,142.40
  6. Step 6: Final answer
    x = 498,067.64

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Half scale
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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.