Home / 903,072.39-1,246,241.66-500,664.39

Finding the Fourth Proportional to 903,072.39, 1,246,241.66 and 500,664.39

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Solution

The fourth proportional to 903,072.39, 1,246,241.66 and 500,664.39 is: 690,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,072.39 : 1,246,241.66 = 500,664.39 : x
  2. Step 2: Convert to fraction form
    903,072.39/1,246,241.66 = 500,664.39/x
  3. Step 3: Cross multiply
    903,072.39x = 1,246,241.66 × 500,664.39
  4. Step 4: Simplify right side
    903,072.39x = 623,948,817,993.17
  5. Step 5: Solve for x
    x = 623,948,817,993.17/903,072.39
  6. Step 6: Final answer
    x = 690,917.83

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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.