Home / 740,909.06-1,022,459.49-401,377.46

Finding the Fourth Proportional to 740,909.06, 1,022,459.49 and 401,377.46

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Solution

The fourth proportional to 740,909.06, 1,022,459.49 and 401,377.46 is: 553,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,909.06 : 1,022,459.49 = 401,377.46 : x
  2. Step 2: Convert to fraction form
    740,909.06/1,022,459.49 = 401,377.46/x
  3. Step 3: Cross multiply
    740,909.06x = 1,022,459.49 × 401,377.46
  4. Step 4: Simplify right side
    740,909.06x = 410,392,193,049.10
  5. Step 5: Solve for x
    x = 410,392,193,049.10/740,909.06
  6. Step 6: Final answer
    x = 553,903.60

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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.