Home / 756,076.74-1,042,685.07-551,804.11

Finding the Fourth Proportional to 756,076.74, 1,042,685.07 and 551,804.11

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Solution

The fourth proportional to 756,076.74, 1,042,685.07 and 551,804.11 is: 760,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,076.74 : 1,042,685.07 = 551,804.11 : x
  2. Step 2: Convert to fraction form
    756,076.74/1,042,685.07 = 551,804.11/x
  3. Step 3: Cross multiply
    756,076.74x = 1,042,685.07 × 551,804.11
  4. Step 4: Simplify right side
    756,076.74x = 575,357,907,061.64
  5. Step 5: Solve for x
    x = 575,357,907,061.64/756,076.74
  6. Step 6: Final answer
    x = 760,978.19

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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.