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Finding the Fourth Proportional to 657,975.58, 984,717.71 and 551,479.84

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Solution

The fourth proportional to 657,975.58, 984,717.71 and 551,479.84 is: 825,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,975.58 : 984,717.71 = 551,479.84 : x
  2. Step 2: Convert to fraction form
    657,975.58/984,717.71 = 551,479.84/x
  3. Step 3: Cross multiply
    657,975.58x = 984,717.71 × 551,479.84
  4. Step 4: Simplify right side
    657,975.58x = 543,051,967,543.86
  5. Step 5: Solve for x
    x = 543,051,967,543.86/657,975.58
  6. Step 6: Final answer
    x = 825,337.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.