Home / 953,009.54-1,428,406.55-353,588.36

Finding the Fourth Proportional to 953,009.54, 1,428,406.55 and 353,588.36

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Solution

The fourth proportional to 953,009.54, 1,428,406.55 and 353,588.36 is: 529,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,009.54 : 1,428,406.55 = 353,588.36 : x
  2. Step 2: Convert to fraction form
    953,009.54/1,428,406.55 = 353,588.36/x
  3. Step 3: Cross multiply
    953,009.54x = 1,428,406.55 × 353,588.36
  4. Step 4: Simplify right side
    953,009.54x = 505,067,920,517.78
  5. Step 5: Solve for x
    x = 505,067,920,517.78/953,009.54
  6. Step 6: Final answer
    x = 529,971.53

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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.