Home / 609,223.21-913,938.54-305,762.08

Finding the Fourth Proportional to 609,223.21, 913,938.54 and 305,762.08

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Solution

The fourth proportional to 609,223.21, 913,938.54 and 305,762.08 is: 458,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,223.21 : 913,938.54 = 305,762.08 : x
  2. Step 2: Convert to fraction form
    609,223.21/913,938.54 = 305,762.08/x
  3. Step 3: Cross multiply
    609,223.21x = 913,938.54 × 305,762.08
  4. Step 4: Simplify right side
    609,223.21x = 279,447,748,982.56
  5. Step 5: Solve for x
    x = 279,447,748,982.56/609,223.21
  6. Step 6: Final answer
    x = 458,695.18

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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.