Home / 807,139.49-1,113,860.04-444,564.66

Finding the Fourth Proportional to 807,139.49, 1,113,860.04 and 444,564.66

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Solution

The fourth proportional to 807,139.49, 1,113,860.04 and 444,564.66 is: 613,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,139.49 : 1,113,860.04 = 444,564.66 : x
  2. Step 2: Convert to fraction form
    807,139.49/1,113,860.04 = 444,564.66/x
  3. Step 3: Cross multiply
    807,139.49x = 1,113,860.04 × 444,564.66
  4. Step 4: Simplify right side
    807,139.49x = 495,182,809,139.69
  5. Step 5: Solve for x
    x = 495,182,809,139.69/807,139.49
  6. Step 6: Final answer
    x = 613,503.38

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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.