Home / 902,946.40-1,354,431.12-622,388.32

Finding the Fourth Proportional to 902,946.40, 1,354,431.12 and 622,388.32

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Solution

The fourth proportional to 902,946.40, 1,354,431.12 and 622,388.32 is: 933,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,946.40 : 1,354,431.12 = 622,388.32 : x
  2. Step 2: Convert to fraction form
    902,946.40/1,354,431.12 = 622,388.32/x
  3. Step 3: Cross multiply
    902,946.40x = 1,354,431.12 × 622,388.32
  4. Step 4: Simplify right side
    902,946.40x = 842,982,109,332.52
  5. Step 5: Solve for x
    x = 842,982,109,332.52/902,946.40
  6. Step 6: Final answer
    x = 933,590.42

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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.