Home / 930,801.51-1,395,857.41-331,603.61

Finding the Fourth Proportional to 930,801.51, 1,395,857.41 and 331,603.61

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Solution

The fourth proportional to 930,801.51, 1,395,857.41 and 331,603.61 is: 497,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,801.51 : 1,395,857.41 = 331,603.61 : x
  2. Step 2: Convert to fraction form
    930,801.51/1,395,857.41 = 331,603.61/x
  3. Step 3: Cross multiply
    930,801.51x = 1,395,857.41 × 331,603.61
  4. Step 4: Simplify right side
    930,801.51x = 462,871,348,392.95
  5. Step 5: Solve for x
    x = 462,871,348,392.95/930,801.51
  6. Step 6: Final answer
    x = 497,282.55

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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.