Home / 992,838.56-1,370,074.03-551,285.64

Finding the Fourth Proportional to 992,838.56, 1,370,074.03 and 551,285.64

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Solution

The fourth proportional to 992,838.56, 1,370,074.03 and 551,285.64 is: 760,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,838.56 : 1,370,074.03 = 551,285.64 : x
  2. Step 2: Convert to fraction form
    992,838.56/1,370,074.03 = 551,285.64/x
  3. Step 3: Cross multiply
    992,838.56x = 1,370,074.03 × 551,285.64
  4. Step 4: Simplify right side
    992,838.56x = 755,302,137,097.72
  5. Step 5: Solve for x
    x = 755,302,137,097.72/992,838.56
  6. Step 6: Final answer
    x = 760,750.21

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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.