Home / 825,799.98-1,138,513.32-538,821.84

Finding the Fourth Proportional to 825,799.98, 1,138,513.32 and 538,821.84

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Solution

The fourth proportional to 825,799.98, 1,138,513.32 and 538,821.84 is: 742,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,799.98 : 1,138,513.32 = 538,821.84 : x
  2. Step 2: Convert to fraction form
    825,799.98/1,138,513.32 = 538,821.84/x
  3. Step 3: Cross multiply
    825,799.98x = 1,138,513.32 × 538,821.84
  4. Step 4: Simplify right side
    825,799.98x = 613,455,841,946.91
  5. Step 5: Solve for x
    x = 613,455,841,946.91/825,799.98
  6. Step 6: Final answer
    x = 742,862.51

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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.