Home / 930,026.54-1,395,107.46-389,740.49

Finding the Fourth Proportional to 930,026.54, 1,395,107.46 and 389,740.49

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Solution

The fourth proportional to 930,026.54, 1,395,107.46 and 389,740.49 is: 584,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,026.54 : 1,395,107.46 = 389,740.49 : x
  2. Step 2: Convert to fraction form
    930,026.54/1,395,107.46 = 389,740.49/x
  3. Step 3: Cross multiply
    930,026.54x = 1,395,107.46 × 389,740.49
  4. Step 4: Simplify right side
    930,026.54x = 543,729,858,087.52
  5. Step 5: Solve for x
    x = 543,729,858,087.52/930,026.54
  6. Step 6: Final answer
    x = 584,639.08

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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.