Home / 740,974.19-1,022,545.40-401,442.44

Finding the Fourth Proportional to 740,974.19, 1,022,545.40 and 401,442.44

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Solution

The fourth proportional to 740,974.19, 1,022,545.40 and 401,442.44 is: 553,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,974.19 : 1,022,545.40 = 401,442.44 : x
  2. Step 2: Convert to fraction form
    740,974.19/1,022,545.40 = 401,442.44/x
  3. Step 3: Cross multiply
    740,974.19x = 1,022,545.40 × 401,442.44
  4. Step 4: Simplify right side
    740,974.19x = 410,493,113,266.84
  5. Step 5: Solve for x
    x = 410,493,113,266.84/740,974.19
  6. Step 6: Final answer
    x = 553,991.11

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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.