Home / 763,539.31-1,143,564.81-364,461.04

Finding the Fourth Proportional to 763,539.31, 1,143,564.81 and 364,461.04

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Solution

The fourth proportional to 763,539.31, 1,143,564.81 and 364,461.04 is: 545,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,539.31 : 1,143,564.81 = 364,461.04 : x
  2. Step 2: Convert to fraction form
    763,539.31/1,143,564.81 = 364,461.04/x
  3. Step 3: Cross multiply
    763,539.31x = 1,143,564.81 × 364,461.04
  4. Step 4: Simplify right side
    763,539.31x = 416,784,819,960.00
  5. Step 5: Solve for x
    x = 416,784,819,960.00/763,539.31
  6. Step 6: Final answer
    x = 545,859.02

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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.