Home / 603,625.20-905,437.80-248,521.20

Finding the Fourth Proportional to 603,625.20, 905,437.80 and 248,521.20

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Solution

The fourth proportional to 603,625.20, 905,437.80 and 248,521.20 is: 372,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,625.20 : 905,437.80 = 248,521.20 : x
  2. Step 2: Convert to fraction form
    603,625.20/905,437.80 = 248,521.20/x
  3. Step 3: Cross multiply
    603,625.20x = 905,437.80 × 248,521.20
  4. Step 4: Simplify right side
    603,625.20x = 225,020,488,581.36
  5. Step 5: Solve for x
    x = 225,020,488,581.36/603,625.20
  6. Step 6: Final answer
    x = 372,781.80

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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.