Home / 909,353.30-1,254,878.79-501,472.37

Finding the Fourth Proportional to 909,353.30, 1,254,878.79 and 501,472.37

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Solution

The fourth proportional to 909,353.30, 1,254,878.79 and 501,472.37 is: 692,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,353.30 : 1,254,878.79 = 501,472.37 : x
  2. Step 2: Convert to fraction form
    909,353.30/1,254,878.79 = 501,472.37/x
  3. Step 3: Cross multiply
    909,353.30x = 1,254,878.79 × 501,472.37
  4. Step 4: Simplify right side
    909,353.30x = 629,287,040,884.03
  5. Step 5: Solve for x
    x = 629,287,040,884.03/909,353.30
  6. Step 6: Final answer
    x = 692,016.01

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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.