Home / 731,671.44-1,009,680.81-404,985.09

Finding the Fourth Proportional to 731,671.44, 1,009,680.81 and 404,985.09

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Solution

The fourth proportional to 731,671.44, 1,009,680.81 and 404,985.09 is: 558,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,671.44 : 1,009,680.81 = 404,985.09 : x
  2. Step 2: Convert to fraction form
    731,671.44/1,009,680.81 = 404,985.09/x
  3. Step 3: Cross multiply
    731,671.44x = 1,009,680.81 × 404,985.09
  4. Step 4: Simplify right side
    731,671.44x = 408,905,673,709.12
  5. Step 5: Solve for x
    x = 408,905,673,709.12/731,671.44
  6. Step 6: Final answer
    x = 558,865.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.