Home / 466,564.23-643,655.84-285,283.71

Finding the Fourth Proportional to 466,564.23, 643,655.84 and 285,283.71

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Solution

The fourth proportional to 466,564.23, 643,655.84 and 285,283.71 is: 393,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,564.23 : 643,655.84 = 285,283.71 : x
  2. Step 2: Convert to fraction form
    466,564.23/643,655.84 = 285,283.71/x
  3. Step 3: Cross multiply
    466,564.23x = 643,655.84 × 285,283.71
  4. Step 4: Simplify right side
    466,564.23x = 183,624,524,571.95
  5. Step 5: Solve for x
    x = 183,624,524,571.95/466,564.23
  6. Step 6: Final answer
    x = 393,567.51

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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.