Home / 899,929-1,241,927.94-497,546.92

Finding the Fourth Proportional to 899,929, 1,241,927.94 and 497,546.92

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Solution

The fourth proportional to 899,929, 1,241,927.94 and 497,546.92 is: 686,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,929 : 1,241,927.94 = 497,546.92 : x
  2. Step 2: Convert to fraction form
    899,929/1,241,927.94 = 497,546.92/x
  3. Step 3: Cross multiply
    899,929x = 1,241,927.94 × 497,546.92
  4. Step 4: Simplify right side
    899,929x = 617,917,421,408.95
  5. Step 5: Solve for x
    x = 617,917,421,408.95/899,929
  6. Step 6: Final answer
    x = 686,629.08

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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.