Home / 843,286.47-1,264,948.14-338,085.37

Finding the Fourth Proportional to 843,286.47, 1,264,948.14 and 338,085.37

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Solution

The fourth proportional to 843,286.47, 1,264,948.14 and 338,085.37 is: 507,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,286.47 : 1,264,948.14 = 338,085.37 : x
  2. Step 2: Convert to fraction form
    843,286.47/1,264,948.14 = 338,085.37/x
  3. Step 3: Cross multiply
    843,286.47x = 1,264,948.14 × 338,085.37
  4. Step 4: Simplify right side
    843,286.47x = 427,660,459,942.71
  5. Step 5: Solve for x
    x = 427,660,459,942.71/843,286.47
  6. Step 6: Final answer
    x = 507,135.45

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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.