Home / 919,562.82-1,379,342.88-288,525.84

Finding the Fourth Proportional to 919,562.82, 1,379,342.88 and 288,525.84

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Solution

The fourth proportional to 919,562.82, 1,379,342.88 and 288,525.84 is: 432,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,562.82 : 1,379,342.88 = 288,525.84 : x
  2. Step 2: Convert to fraction form
    919,562.82/1,379,342.88 = 288,525.84/x
  3. Step 3: Cross multiply
    919,562.82x = 1,379,342.88 × 288,525.84
  4. Step 4: Simplify right side
    919,562.82x = 397,976,063,100.02
  5. Step 5: Solve for x
    x = 397,976,063,100.02/919,562.82
  6. Step 6: Final answer
    x = 432,788.34

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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.