Home / 1,538,881.48-2,308,441.37-514,215.30

Finding the Fourth Proportional to 1,538,881.48, 2,308,441.37 and 514,215.30

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Solution

The fourth proportional to 1,538,881.48, 2,308,441.37 and 514,215.30 is: 771,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,881.48 : 2,308,441.37 = 514,215.30 : x
  2. Step 2: Convert to fraction form
    1,538,881.48/2,308,441.37 = 514,215.30/x
  3. Step 3: Cross multiply
    1,538,881.48x = 2,308,441.37 × 514,215.30
  4. Step 4: Simplify right side
    1,538,881.48x = 1,187,035,867,600.02
  5. Step 5: Solve for x
    x = 1,187,035,867,600.02/1,538,881.48
  6. Step 6: Final answer
    x = 771,362.76

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.