Home / 781,295.38-1,172,060.06-282,776.02

Finding the Fourth Proportional to 781,295.38, 1,172,060.06 and 282,776.02

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Solution

The fourth proportional to 781,295.38, 1,172,060.06 and 282,776.02 is: 424,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,295.38 : 1,172,060.06 = 282,776.02 : x
  2. Step 2: Convert to fraction form
    781,295.38/1,172,060.06 = 282,776.02/x
  3. Step 3: Cross multiply
    781,295.38x = 1,172,060.06 × 282,776.02
  4. Step 4: Simplify right side
    781,295.38x = 331,430,478,967.76
  5. Step 5: Solve for x
    x = 331,430,478,967.76/781,295.38
  6. Step 6: Final answer
    x = 424,206.37

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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.