Home / 938,611.47-1,295,293.77-551,443.02

Finding the Fourth Proportional to 938,611.47, 1,295,293.77 and 551,443.02

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Solution

The fourth proportional to 938,611.47, 1,295,293.77 and 551,443.02 is: 760,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,611.47 : 1,295,293.77 = 551,443.02 : x
  2. Step 2: Convert to fraction form
    938,611.47/1,295,293.77 = 551,443.02/x
  3. Step 3: Cross multiply
    938,611.47x = 1,295,293.77 × 551,443.02
  4. Step 4: Simplify right side
    938,611.47x = 714,280,708,315.99
  5. Step 5: Solve for x
    x = 714,280,708,315.99/938,611.47
  6. Step 6: Final answer
    x = 760,997.21

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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.