Home / 731,175.40-1,009,015.14-408,881.80

Finding the Fourth Proportional to 731,175.40, 1,009,015.14 and 408,881.80

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Solution

The fourth proportional to 731,175.40, 1,009,015.14 and 408,881.80 is: 564,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,175.40 : 1,009,015.14 = 408,881.80 : x
  2. Step 2: Convert to fraction form
    731,175.40/1,009,015.14 = 408,881.80/x
  3. Step 3: Cross multiply
    731,175.40x = 1,009,015.14 × 408,881.80
  4. Step 4: Simplify right side
    731,175.40x = 412,567,926,670.45
  5. Step 5: Solve for x
    x = 412,567,926,670.45/731,175.40
  6. Step 6: Final answer
    x = 564,253.02

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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.