Home / 457,947.65-631,554.08-285,881.49

Finding the Fourth Proportional to 457,947.65, 631,554.08 and 285,881.49

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Solution

The fourth proportional to 457,947.65, 631,554.08 and 285,881.49 is: 394,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,947.65 : 631,554.08 = 285,881.49 : x
  2. Step 2: Convert to fraction form
    457,947.65/631,554.08 = 285,881.49/x
  3. Step 3: Cross multiply
    457,947.65x = 631,554.08 × 285,881.49
  4. Step 4: Simplify right side
    457,947.65x = 180,549,619,976.57
  5. Step 5: Solve for x
    x = 180,549,619,976.57/457,947.65
  6. Step 6: Final answer
    x = 394,258.21

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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.