Home / 890,408.46-1,228,786.13-546,434.37

Finding the Fourth Proportional to 890,408.46, 1,228,786.13 and 546,434.37

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Solution

The fourth proportional to 890,408.46, 1,228,786.13 and 546,434.37 is: 754,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,408.46 : 1,228,786.13 = 546,434.37 : x
  2. Step 2: Convert to fraction form
    890,408.46/1,228,786.13 = 546,434.37/x
  3. Step 3: Cross multiply
    890,408.46x = 1,228,786.13 × 546,434.37
  4. Step 4: Simplify right side
    890,408.46x = 671,450,976,177.37
  5. Step 5: Solve for x
    x = 671,450,976,177.37/890,408.46
  6. Step 6: Final answer
    x = 754,093.21

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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.