Home / 810,948.42-1,119,063.65-448,351.11

Finding the Fourth Proportional to 810,948.42, 1,119,063.65 and 448,351.11

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Solution

The fourth proportional to 810,948.42, 1,119,063.65 and 448,351.11 is: 618,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,948.42 : 1,119,063.65 = 448,351.11 : x
  2. Step 2: Convert to fraction form
    810,948.42/1,119,063.65 = 448,351.11/x
  3. Step 3: Cross multiply
    810,948.42x = 1,119,063.65 × 448,351.11
  4. Step 4: Simplify right side
    810,948.42x = 501,733,427,396.40
  5. Step 5: Solve for x
    x = 501,733,427,396.40/810,948.42
  6. Step 6: Final answer
    x = 618,699.56

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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.