Home / 781,296.63-1,172,061.95-282,777.27

Finding the Fourth Proportional to 781,296.63, 1,172,061.95 and 282,777.27

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Solution

The fourth proportional to 781,296.63, 1,172,061.95 and 282,777.27 is: 424,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,296.63 : 1,172,061.95 = 282,777.27 : x
  2. Step 2: Convert to fraction form
    781,296.63/1,172,061.95 = 282,777.27/x
  3. Step 3: Cross multiply
    781,296.63x = 1,172,061.95 × 282,777.27
  4. Step 4: Simplify right side
    781,296.63x = 331,432,478,491.88
  5. Step 5: Solve for x
    x = 331,432,478,491.88/781,296.63
  6. Step 6: Final answer
    x = 424,208.25

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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.