Home / 672,828.06-1,009,436.88-199,524.78

Finding the Fourth Proportional to 672,828.06, 1,009,436.88 and 199,524.78

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Solution

The fourth proportional to 672,828.06, 1,009,436.88 and 199,524.78 is: 299,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,828.06 : 1,009,436.88 = 199,524.78 : x
  2. Step 2: Convert to fraction form
    672,828.06/1,009,436.88 = 199,524.78/x
  3. Step 3: Cross multiply
    672,828.06x = 1,009,436.88 × 199,524.78
  4. Step 4: Simplify right side
    672,828.06x = 201,407,671,405.89
  5. Step 5: Solve for x
    x = 201,407,671,405.89/672,828.06
  6. Step 6: Final answer
    x = 299,344.93

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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.