Home / 748,298.88-1,032,675.15-408,789

Finding the Fourth Proportional to 748,298.88, 1,032,675.15 and 408,789

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Solution

The fourth proportional to 748,298.88, 1,032,675.15 and 408,789 is: 564,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,298.88 : 1,032,675.15 = 408,789 : x
  2. Step 2: Convert to fraction form
    748,298.88/1,032,675.15 = 408,789/x
  3. Step 3: Cross multiply
    748,298.88x = 1,032,675.15 × 408,789
  4. Step 4: Simplify right side
    748,298.88x = 422,146,241,893.35
  5. Step 5: Solve for x
    x = 422,146,241,893.35/748,298.88
  6. Step 6: Final answer
    x = 564,141.22

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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.