Home / 843,038.52-1,264,972.93-393,694.16

Finding the Fourth Proportional to 843,038.52, 1,264,972.93 and 393,694.16

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Solution

The fourth proportional to 843,038.52, 1,264,972.93 and 393,694.16 is: 590,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,038.52 : 1,264,972.93 = 393,694.16 : x
  2. Step 2: Convert to fraction form
    843,038.52/1,264,972.93 = 393,694.16/x
  3. Step 3: Cross multiply
    843,038.52x = 1,264,972.93 × 393,694.16
  4. Step 4: Simplify right side
    843,038.52x = 498,012,455,099.09
  5. Step 5: Solve for x
    x = 498,012,455,099.09/843,038.52
  6. Step 6: Final answer
    x = 590,735.11

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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.