Home / 945,925.35-1,305,405.81-538,086.30

Finding the Fourth Proportional to 945,925.35, 1,305,405.81 and 538,086.30

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Solution

The fourth proportional to 945,925.35, 1,305,405.81 and 538,086.30 is: 742,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,925.35 : 1,305,405.81 = 538,086.30 : x
  2. Step 2: Convert to fraction form
    945,925.35/1,305,405.81 = 538,086.30/x
  3. Step 3: Cross multiply
    945,925.35x = 1,305,405.81 × 538,086.30
  4. Step 4: Simplify right side
    945,925.35x = 702,420,982,301.40
  5. Step 5: Solve for x
    x = 702,420,982,301.40/945,925.35
  6. Step 6: Final answer
    x = 742,575.49

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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.