Home / 574,939.39-787,669.82-553,390.96

Finding the Fourth Proportional to 574,939.39, 787,669.82 and 553,390.96

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Solution

The fourth proportional to 574,939.39, 787,669.82 and 553,390.96 is: 758,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,939.39 : 787,669.82 = 553,390.96 : x
  2. Step 2: Convert to fraction form
    574,939.39/787,669.82 = 553,390.96/x
  3. Step 3: Cross multiply
    574,939.39x = 787,669.82 × 553,390.96
  4. Step 4: Simplify right side
    574,939.39x = 435,889,351,147.52
  5. Step 5: Solve for x
    x = 435,889,351,147.52/574,939.39
  6. Step 6: Final answer
    x = 758,148.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.