Home / 739,973.14-1,021,166.12-400,441.39

Finding the Fourth Proportional to 739,973.14, 1,021,166.12 and 400,441.39

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Solution

The fourth proportional to 739,973.14, 1,021,166.12 and 400,441.39 is: 552,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,973.14 : 1,021,166.12 = 400,441.39 : x
  2. Step 2: Convert to fraction form
    739,973.14/1,021,166.12 = 400,441.39/x
  3. Step 3: Cross multiply
    739,973.14x = 1,021,166.12 × 400,441.39
  4. Step 4: Simplify right side
    739,973.14x = 408,917,178,961.90
  5. Step 5: Solve for x
    x = 408,917,178,961.90/739,973.14
  6. Step 6: Final answer
    x = 552,610.84

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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.