Home / 913,792.98-1,371,185.38-381,360.54

Finding the Fourth Proportional to 913,792.98, 1,371,185.38 and 381,360.54

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Solution

The fourth proportional to 913,792.98, 1,371,185.38 and 381,360.54 is: 572,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,792.98 : 1,371,185.38 = 381,360.54 : x
  2. Step 2: Convert to fraction form
    913,792.98/1,371,185.38 = 381,360.54/x
  3. Step 3: Cross multiply
    913,792.98x = 1,371,185.38 × 381,360.54
  4. Step 4: Simplify right side
    913,792.98x = 522,915,996,956.91
  5. Step 5: Solve for x
    x = 522,915,996,956.91/913,792.98
  6. Step 6: Final answer
    x = 572,247.77

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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.