Home / 904,008.09-1,356,020.29-230,090.12

Finding the Fourth Proportional to 904,008.09, 1,356,020.29 and 230,090.12

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Solution

The fourth proportional to 904,008.09, 1,356,020.29 and 230,090.12 is: 345,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,008.09 : 1,356,020.29 = 230,090.12 : x
  2. Step 2: Convert to fraction form
    904,008.09/1,356,020.29 = 230,090.12/x
  3. Step 3: Cross multiply
    904,008.09x = 1,356,020.29 × 230,090.12
  4. Step 4: Simplify right side
    904,008.09x = 312,006,869,841.12
  5. Step 5: Solve for x
    x = 312,006,869,841.12/904,008.09
  6. Step 6: Final answer
    x = 345,137.25

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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.