Home / 652,537.82-900,498.21-380,584.37

Finding the Fourth Proportional to 652,537.82, 900,498.21 and 380,584.37

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Solution

The fourth proportional to 652,537.82, 900,498.21 and 380,584.37 is: 525,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,537.82 : 900,498.21 = 380,584.37 : x
  2. Step 2: Convert to fraction form
    652,537.82/900,498.21 = 380,584.37/x
  3. Step 3: Cross multiply
    652,537.82x = 900,498.21 × 380,584.37
  4. Step 4: Simplify right side
    652,537.82x = 342,715,543,938.98
  5. Step 5: Solve for x
    x = 342,715,543,938.98/652,537.82
  6. Step 6: Final answer
    x = 525,204.11

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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.