Home / 830,246.24-1,145,767.92-491,005.28

Finding the Fourth Proportional to 830,246.24, 1,145,767.92 and 491,005.28

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Solution

The fourth proportional to 830,246.24, 1,145,767.92 and 491,005.28 is: 677,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,246.24 : 1,145,767.92 = 491,005.28 : x
  2. Step 2: Convert to fraction form
    830,246.24/1,145,767.92 = 491,005.28/x
  3. Step 3: Cross multiply
    830,246.24x = 1,145,767.92 × 491,005.28
  4. Step 4: Simplify right side
    830,246.24x = 562,578,098,374.62
  5. Step 5: Solve for x
    x = 562,578,098,374.62/830,246.24
  6. Step 6: Final answer
    x = 677,603.91

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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.