Home / 683,407.20-1,025,110.80-368,479.20

Finding the Fourth Proportional to 683,407.20, 1,025,110.80 and 368,479.20

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Solution

The fourth proportional to 683,407.20, 1,025,110.80 and 368,479.20 is: 552,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,407.20 : 1,025,110.80 = 368,479.20 : x
  2. Step 2: Convert to fraction form
    683,407.20/1,025,110.80 = 368,479.20/x
  3. Step 3: Cross multiply
    683,407.20x = 1,025,110.80 × 368,479.20
  4. Step 4: Simplify right side
    683,407.20x = 377,732,007,495.36
  5. Step 5: Solve for x
    x = 377,732,007,495.36/683,407.20
  6. Step 6: Final answer
    x = 552,718.80

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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.