Home / 739,973.16-1,021,165.52-400,441.32

Finding the Fourth Proportional to 739,973.16, 1,021,165.52 and 400,441.32

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Solution

The fourth proportional to 739,973.16, 1,021,165.52 and 400,441.32 is: 552,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,973.16 : 1,021,165.52 = 400,441.32 : x
  2. Step 2: Convert to fraction form
    739,973.16/1,021,165.52 = 400,441.32/x
  3. Step 3: Cross multiply
    739,973.16x = 1,021,165.52 × 400,441.32
  4. Step 4: Simplify right side
    739,973.16x = 408,916,868,767.29
  5. Step 5: Solve for x
    x = 408,916,868,767.29/739,973.16
  6. Step 6: Final answer
    x = 552,610.41

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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.