Home / 903,425.40-1,355,138.10-238,577.40

Finding the Fourth Proportional to 903,425.40, 1,355,138.10 and 238,577.40

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Solution

The fourth proportional to 903,425.40, 1,355,138.10 and 238,577.40 is: 357,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,425.40 : 1,355,138.10 = 238,577.40 : x
  2. Step 2: Convert to fraction form
    903,425.40/1,355,138.10 = 238,577.40/x
  3. Step 3: Cross multiply
    903,425.40x = 1,355,138.10 × 238,577.40
  4. Step 4: Simplify right side
    903,425.40x = 323,305,324,538.94
  5. Step 5: Solve for x
    x = 323,305,324,538.94/903,425.40
  6. Step 6: Final answer
    x = 357,866.10

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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.