Home / 919,338.34-1,379,228.38-288,252.22

Finding the Fourth Proportional to 919,338.34, 1,379,228.38 and 288,252.22

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Solution

The fourth proportional to 919,338.34, 1,379,228.38 and 288,252.22 is: 432,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,338.34 : 1,379,228.38 = 288,252.22 : x
  2. Step 2: Convert to fraction form
    919,338.34/1,379,228.38 = 288,252.22/x
  3. Step 3: Cross multiply
    919,338.34x = 1,379,228.38 × 288,252.22
  4. Step 4: Simplify right side
    919,338.34x = 397,565,642,422.00
  5. Step 5: Solve for x
    x = 397,565,642,422.00/919,338.34
  6. Step 6: Final answer
    x = 432,447.58

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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.