Home / 992,880.17-1,370,131.37-551,327.37

Finding the Fourth Proportional to 992,880.17, 1,370,131.37 and 551,327.37

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Solution

The fourth proportional to 992,880.17, 1,370,131.37 and 551,327.37 is: 760,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,880.17 : 1,370,131.37 = 551,327.37 : x
  2. Step 2: Convert to fraction form
    992,880.17/1,370,131.37 = 551,327.37/x
  3. Step 3: Cross multiply
    992,880.17x = 1,370,131.37 × 551,327.37
  4. Step 4: Simplify right side
    992,880.17x = 755,390,918,949.45
  5. Step 5: Solve for x
    x = 755,390,918,949.45/992,880.17
  6. Step 6: Final answer
    x = 760,807.74

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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.