Home / 780,425.69-1,077,161.19-474,437.25

Finding the Fourth Proportional to 780,425.69, 1,077,161.19 and 474,437.25

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Solution

The fourth proportional to 780,425.69, 1,077,161.19 and 474,437.25 is: 654,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,425.69 : 1,077,161.19 = 474,437.25 : x
  2. Step 2: Convert to fraction form
    780,425.69/1,077,161.19 = 474,437.25/x
  3. Step 3: Cross multiply
    780,425.69x = 1,077,161.19 × 474,437.25
  4. Step 4: Simplify right side
    780,425.69x = 511,045,391,011.19
  5. Step 5: Solve for x
    x = 511,045,391,011.19/780,425.69
  6. Step 6: Final answer
    x = 654,829.03

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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.