Home / 781,295.63-1,172,060.45-282,776.27

Finding the Fourth Proportional to 781,295.63, 1,172,060.45 and 282,776.27

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Solution

The fourth proportional to 781,295.63, 1,172,060.45 and 282,776.27 is: 424,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,295.63 : 1,172,060.45 = 282,776.27 : x
  2. Step 2: Convert to fraction form
    781,295.63/1,172,060.45 = 282,776.27/x
  3. Step 3: Cross multiply
    781,295.63x = 1,172,060.45 × 282,776.27
  4. Step 4: Simplify right side
    781,295.63x = 331,430,874,991.34
  5. Step 5: Solve for x
    x = 331,430,874,991.34/781,295.63
  6. Step 6: Final answer
    x = 424,206.75

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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.