Home / 904,921.94-1,357,381.70-231,003.21

Finding the Fourth Proportional to 904,921.94, 1,357,381.70 and 231,003.21

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Solution

The fourth proportional to 904,921.94, 1,357,381.70 and 231,003.21 is: 346,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,921.94 : 1,357,381.70 = 231,003.21 : x
  2. Step 2: Convert to fraction form
    904,921.94/1,357,381.70 = 231,003.21/x
  3. Step 3: Cross multiply
    904,921.94x = 1,357,381.70 × 231,003.21
  4. Step 4: Simplify right side
    904,921.94x = 313,559,528,740.24
  5. Step 5: Solve for x
    x = 313,559,528,740.24/904,921.94
  6. Step 6: Final answer
    x = 346,504.51

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1.5x scale

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.