Home / 831,996.82-1,148,056.81-469,399.51

Finding the Fourth Proportional to 831,996.82, 1,148,056.81 and 469,399.51

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Solution

The fourth proportional to 831,996.82, 1,148,056.81 and 469,399.51 is: 647,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,996.82 : 1,148,056.81 = 469,399.51 : x
  2. Step 2: Convert to fraction form
    831,996.82/1,148,056.81 = 469,399.51/x
  3. Step 3: Cross multiply
    831,996.82x = 1,148,056.81 × 469,399.51
  4. Step 4: Simplify right side
    831,996.82x = 538,897,304,066.16
  5. Step 5: Solve for x
    x = 538,897,304,066.16/831,996.82
  6. Step 6: Final answer
    x = 647,715.58

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.