Home / 683,477.20-1,025,215.80-368,549.20

Finding the Fourth Proportional to 683,477.20, 1,025,215.80 and 368,549.20

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Solution

The fourth proportional to 683,477.20, 1,025,215.80 and 368,549.20 is: 552,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,477.20 : 1,025,215.80 = 368,549.20 : x
  2. Step 2: Convert to fraction form
    683,477.20/1,025,215.80 = 368,549.20/x
  3. Step 3: Cross multiply
    683,477.20x = 1,025,215.80 × 368,549.20
  4. Step 4: Simplify right side
    683,477.20x = 377,842,462,917.36
  5. Step 5: Solve for x
    x = 377,842,462,917.36/683,477.20
  6. Step 6: Final answer
    x = 552,823.80

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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.