Home / 898,937.11-1,240,537.44-491,044.60

Finding the Fourth Proportional to 898,937.11, 1,240,537.44 and 491,044.60

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Solution

The fourth proportional to 898,937.11, 1,240,537.44 and 491,044.60 is: 677,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,937.11 : 1,240,537.44 = 491,044.60 : x
  2. Step 2: Convert to fraction form
    898,937.11/1,240,537.44 = 491,044.60/x
  3. Step 3: Cross multiply
    898,937.11x = 1,240,537.44 × 491,044.60
  4. Step 4: Simplify right side
    898,937.11x = 609,159,211,009.82
  5. Step 5: Solve for x
    x = 609,159,211,009.82/898,937.11
  6. Step 6: Final answer
    x = 677,643.86

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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.