Home / 914,285.82-1,371,647.70-381,510.48

Finding the Fourth Proportional to 914,285.82, 1,371,647.70 and 381,510.48

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Solution

The fourth proportional to 914,285.82, 1,371,647.70 and 381,510.48 is: 572,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,285.82 : 1,371,647.70 = 381,510.48 : x
  2. Step 2: Convert to fraction form
    914,285.82/1,371,647.70 = 381,510.48/x
  3. Step 3: Cross multiply
    914,285.82x = 1,371,647.70 × 381,510.48
  4. Step 4: Simplify right side
    914,285.82x = 523,297,972,417.90
  5. Step 5: Solve for x
    x = 523,297,972,417.90/914,285.82
  6. Step 6: Final answer
    x = 572,357.09

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1.5x scale

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.