Home / 740,932.68-1,022,481.45-401,398.50

Finding the Fourth Proportional to 740,932.68, 1,022,481.45 and 401,398.50

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Solution

The fourth proportional to 740,932.68, 1,022,481.45 and 401,398.50 is: 553,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,932.68 : 1,022,481.45 = 401,398.50 : x
  2. Step 2: Convert to fraction form
    740,932.68/1,022,481.45 = 401,398.50/x
  3. Step 3: Cross multiply
    740,932.68x = 1,022,481.45 × 401,398.50
  4. Step 4: Simplify right side
    740,932.68x = 410,422,520,307.83
  5. Step 5: Solve for x
    x = 410,422,520,307.83/740,932.68
  6. Step 6: Final answer
    x = 553,926.87

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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.