Home / 641,497.61-962,460.12-215,075.63

Finding the Fourth Proportional to 641,497.61, 962,460.12 and 215,075.63

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Solution

The fourth proportional to 641,497.61, 962,460.12 and 215,075.63 is: 322,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,497.61 : 962,460.12 = 215,075.63 : x
  2. Step 2: Convert to fraction form
    641,497.61/962,460.12 = 215,075.63/x
  3. Step 3: Cross multiply
    641,497.61x = 962,460.12 × 215,075.63
  4. Step 4: Simplify right side
    641,497.61x = 207,001,716,658.88
  5. Step 5: Solve for x
    x = 207,001,716,658.88/641,497.61
  6. Step 6: Final answer
    x = 322,685.09

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1.5x scale

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.