Home / 494,643.06-742,081.55-393,822.34

Finding the Fourth Proportional to 494,643.06, 742,081.55 and 393,822.34

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Solution

The fourth proportional to 494,643.06, 742,081.55 and 393,822.34 is: 590,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,643.06 : 742,081.55 = 393,822.34 : x
  2. Step 2: Convert to fraction form
    494,643.06/742,081.55 = 393,822.34/x
  3. Step 3: Cross multiply
    494,643.06x = 742,081.55 × 393,822.34
  4. Step 4: Simplify right side
    494,643.06x = 292,248,292,491.83
  5. Step 5: Solve for x
    x = 292,248,292,491.83/494,643.06
  6. Step 6: Final answer
    x = 590,826.63

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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.