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Finding the Fourth Proportional to 655,453.42, 904,512.45 and 368,967.22

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Solution

The fourth proportional to 655,453.42, 904,512.45 and 368,967.22 is: 509,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,453.42 : 904,512.45 = 368,967.22 : x
  2. Step 2: Convert to fraction form
    655,453.42/904,512.45 = 368,967.22/x
  3. Step 3: Cross multiply
    655,453.42x = 904,512.45 × 368,967.22
  4. Step 4: Simplify right side
    655,453.42x = 333,735,444,131.89
  5. Step 5: Solve for x
    x = 333,735,444,131.89/655,453.42
  6. Step 6: Final answer
    x = 509,167.29

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1.5x scale

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.