Home / 867,555.55-1,195,603.86-625,425.49

Finding the Fourth Proportional to 867,555.55, 1,195,603.86 and 625,425.49

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Solution

The fourth proportional to 867,555.55, 1,195,603.86 and 625,425.49 is: 861,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,555.55 : 1,195,603.86 = 625,425.49 : x
  2. Step 2: Convert to fraction form
    867,555.55/1,195,603.86 = 625,425.49/x
  3. Step 3: Cross multiply
    867,555.55x = 1,195,603.86 × 625,425.49
  4. Step 4: Simplify right side
    867,555.55x = 747,761,129,986.39
  5. Step 5: Solve for x
    x = 747,761,129,986.39/867,555.55
  6. Step 6: Final answer
    x = 861,917.29

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1.5x scale

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.