Home / 807,143.65-1,113,865.77-444,568.84

Finding the Fourth Proportional to 807,143.65, 1,113,865.77 and 444,568.84

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Solution

The fourth proportional to 807,143.65, 1,113,865.77 and 444,568.84 is: 613,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,143.65 : 1,113,865.77 = 444,568.84 : x
  2. Step 2: Convert to fraction form
    807,143.65/1,113,865.77 = 444,568.84/x
  3. Step 3: Cross multiply
    807,143.65x = 1,113,865.77 × 444,568.84
  4. Step 4: Simplify right side
    807,143.65x = 495,190,013,284.61
  5. Step 5: Solve for x
    x = 495,190,013,284.61/807,143.65
  6. Step 6: Final answer
    x = 613,509.15

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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.