Home / 457,260.93-631,328.04-285,440.49

Finding the Fourth Proportional to 457,260.93, 631,328.04 and 285,440.49

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Solution

The fourth proportional to 457,260.93, 631,328.04 and 285,440.49 is: 394,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,260.93 : 631,328.04 = 285,440.49 : x
  2. Step 2: Convert to fraction form
    457,260.93/631,328.04 = 285,440.49/x
  3. Step 3: Cross multiply
    457,260.93x = 631,328.04 × 285,440.49
  4. Step 4: Simplify right side
    457,260.93x = 180,206,585,088.34
  5. Step 5: Solve for x
    x = 180,206,585,088.34/457,260.93
  6. Step 6: Final answer
    x = 394,100.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.