Home / 891,629.25-1,337,661.72-284,417.66

Finding the Fourth Proportional to 891,629.25, 1,337,661.72 and 284,417.66

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Solution

The fourth proportional to 891,629.25, 1,337,661.72 and 284,417.66 is: 426,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,629.25 : 1,337,661.72 = 284,417.66 : x
  2. Step 2: Convert to fraction form
    891,629.25/1,337,661.72 = 284,417.66/x
  3. Step 3: Cross multiply
    891,629.25x = 1,337,661.72 × 284,417.66
  4. Step 4: Simplify right side
    891,629.25x = 380,454,619,618.13
  5. Step 5: Solve for x
    x = 380,454,619,618.13/891,629.25
  6. Step 6: Final answer
    x = 426,695.98

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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.