Home / 624,947.80-938,150.70-325,766.20

Finding the Fourth Proportional to 624,947.80, 938,150.70 and 325,766.20

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Solution

The fourth proportional to 624,947.80, 938,150.70 and 325,766.20 is: 489,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,947.80 : 938,150.70 = 325,766.20 : x
  2. Step 2: Convert to fraction form
    624,947.80/938,150.70 = 325,766.20/x
  3. Step 3: Cross multiply
    624,947.80x = 938,150.70 × 325,766.20
  4. Step 4: Simplify right side
    624,947.80x = 305,617,788,566.34
  5. Step 5: Solve for x
    x = 305,617,788,566.34/624,947.80
  6. Step 6: Final answer
    x = 489,029.31

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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.