Home / 905,732.24-1,249,719.72-503,315.60

Finding the Fourth Proportional to 905,732.24, 1,249,719.72 and 503,315.60

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Solution

The fourth proportional to 905,732.24, 1,249,719.72 and 503,315.60 is: 694,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,732.24 : 1,249,719.72 = 503,315.60 : x
  2. Step 2: Convert to fraction form
    905,732.24/1,249,719.72 = 503,315.60/x
  3. Step 3: Cross multiply
    905,732.24x = 1,249,719.72 × 503,315.60
  4. Step 4: Simplify right side
    905,732.24x = 629,003,430,703.63
  5. Step 5: Solve for x
    x = 629,003,430,703.63/905,732.24
  6. Step 6: Final answer
    x = 694,469.52

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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.