Home / 992,639.84-1,370,086.31-563,171.36

Finding the Fourth Proportional to 992,639.84, 1,370,086.31 and 563,171.36

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Solution

The fourth proportional to 992,639.84, 1,370,086.31 and 563,171.36 is: 777,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,639.84 : 1,370,086.31 = 563,171.36 : x
  2. Step 2: Convert to fraction form
    992,639.84/1,370,086.31 = 563,171.36/x
  3. Step 3: Cross multiply
    992,639.84x = 1,370,086.31 × 563,171.36
  4. Step 4: Simplify right side
    992,639.84x = 771,593,365,077.58
  5. Step 5: Solve for x
    x = 771,593,365,077.58/992,639.84
  6. Step 6: Final answer
    x = 777,314.53

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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.