Home / 545,733.88-753,135.36-304,016.32

Finding the Fourth Proportional to 545,733.88, 753,135.36 and 304,016.32

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Solution

The fourth proportional to 545,733.88, 753,135.36 and 304,016.32 is: 419,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,733.88 : 753,135.36 = 304,016.32 : x
  2. Step 2: Convert to fraction form
    545,733.88/753,135.36 = 304,016.32/x
  3. Step 3: Cross multiply
    545,733.88x = 753,135.36 × 304,016.32
  4. Step 4: Simplify right side
    545,733.88x = 228,965,440,609.08
  5. Step 5: Solve for x
    x = 228,965,440,609.08/545,733.88
  6. Step 6: Final answer
    x = 419,555.11

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1.5x scale

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.