Home / 907,615.13-1,361,567.21-300,425.62

Finding the Fourth Proportional to 907,615.13, 1,361,567.21 and 300,425.62

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Solution

The fourth proportional to 907,615.13, 1,361,567.21 and 300,425.62 is: 450,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,615.13 : 1,361,567.21 = 300,425.62 : x
  2. Step 2: Convert to fraction form
    907,615.13/1,361,567.21 = 300,425.62/x
  3. Step 3: Cross multiply
    907,615.13x = 1,361,567.21 × 300,425.62
  4. Step 4: Simplify right side
    907,615.13x = 409,049,669,588.25
  5. Step 5: Solve for x
    x = 409,049,669,588.25/907,615.13
  6. Step 6: Final answer
    x = 450,686.26

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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.