Home / 832,424.82-1,148,798.30-469,910.10

Finding the Fourth Proportional to 832,424.82, 1,148,798.30 and 469,910.10

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Solution

The fourth proportional to 832,424.82, 1,148,798.30 and 469,910.10 is: 648,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,424.82 : 1,148,798.30 = 469,910.10 : x
  2. Step 2: Convert to fraction form
    832,424.82/1,148,798.30 = 469,910.10/x
  3. Step 3: Cross multiply
    832,424.82x = 1,148,798.30 × 469,910.10
  4. Step 4: Simplify right side
    832,424.82x = 539,831,917,913.80
  5. Step 5: Solve for x
    x = 539,831,917,913.80/832,424.82
  6. Step 6: Final answer
    x = 648,505.31

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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.