Home / 904,407.08-1,356,802.62-343,429.16

Finding the Fourth Proportional to 904,407.08, 1,356,802.62 and 343,429.16

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Solution

The fourth proportional to 904,407.08, 1,356,802.62 and 343,429.16 is: 515,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,407.08 : 1,356,802.62 = 343,429.16 : x
  2. Step 2: Convert to fraction form
    904,407.08/1,356,802.62 = 343,429.16/x
  3. Step 3: Cross multiply
    904,407.08x = 1,356,802.62 × 343,429.16
  4. Step 4: Simplify right side
    904,407.08x = 465,965,584,072.40
  5. Step 5: Solve for x
    x = 465,965,584,072.40/904,407.08
  6. Step 6: Final answer
    x = 515,216.65

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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.