Home / 641,497.36-962,459.75-215,075.38

Finding the Fourth Proportional to 641,497.36, 962,459.75 and 215,075.38

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Solution

The fourth proportional to 641,497.36, 962,459.75 and 215,075.38 is: 322,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,497.36 : 962,459.75 = 215,075.38 : x
  2. Step 2: Convert to fraction form
    641,497.36/962,459.75 = 215,075.38/x
  3. Step 3: Cross multiply
    641,497.36x = 962,459.75 × 215,075.38
  4. Step 4: Simplify right side
    641,497.36x = 207,001,395,390.58
  5. Step 5: Solve for x
    x = 207,001,395,390.58/641,497.36
  6. Step 6: Final answer
    x = 322,684.72

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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.