Home / 909,370.93-1,254,903.02-501,489.97

Finding the Fourth Proportional to 909,370.93, 1,254,903.02 and 501,489.97

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Solution

The fourth proportional to 909,370.93, 1,254,903.02 and 501,489.97 is: 692,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,370.93 : 1,254,903.02 = 501,489.97 : x
  2. Step 2: Convert to fraction form
    909,370.93/1,254,903.02 = 501,489.97/x
  3. Step 3: Cross multiply
    909,370.93x = 1,254,903.02 × 501,489.97
  4. Step 4: Simplify right side
    909,370.93x = 629,321,269,070.75
  5. Step 5: Solve for x
    x = 629,321,269,070.75/909,370.93
  6. Step 6: Final answer
    x = 692,040.23

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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.