Home / 790,504.38-1,185,945.57-258,026.45

Finding the Fourth Proportional to 790,504.38, 1,185,945.57 and 258,026.45

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Solution

The fourth proportional to 790,504.38, 1,185,945.57 and 258,026.45 is: 387,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,504.38 : 1,185,945.57 = 258,026.45 : x
  2. Step 2: Convert to fraction form
    790,504.38/1,185,945.57 = 258,026.45/x
  3. Step 3: Cross multiply
    790,504.38x = 1,185,945.57 × 258,026.45
  4. Step 4: Simplify right side
    790,504.38x = 306,005,319,390.60
  5. Step 5: Solve for x
    x = 306,005,319,390.60/790,504.38
  6. Step 6: Final answer
    x = 387,101.36

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Double scale
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1.5x scale

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.