Home / 708,458.51-1,062,692.55-258,994.48

Finding the Fourth Proportional to 708,458.51, 1,062,692.55 and 258,994.48

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Solution

The fourth proportional to 708,458.51, 1,062,692.55 and 258,994.48 is: 388,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,458.51 : 1,062,692.55 = 258,994.48 : x
  2. Step 2: Convert to fraction form
    708,458.51/1,062,692.55 = 258,994.48/x
  3. Step 3: Cross multiply
    708,458.51x = 1,062,692.55 × 258,994.48
  4. Step 4: Simplify right side
    708,458.51x = 275,231,499,073.66
  5. Step 5: Solve for x
    x = 275,231,499,073.66/708,458.51
  6. Step 6: Final answer
    x = 388,493.46

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Double scale
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Similar ratio
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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.