Home / 683,463.02-1,025,413.90-328,502.78

Finding the Fourth Proportional to 683,463.02, 1,025,413.90 and 328,502.78

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Solution

The fourth proportional to 683,463.02, 1,025,413.90 and 328,502.78 is: 492,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,463.02 : 1,025,413.90 = 328,502.78 : x
  2. Step 2: Convert to fraction form
    683,463.02/1,025,413.90 = 328,502.78/x
  3. Step 3: Cross multiply
    683,463.02x = 1,025,413.90 × 328,502.78
  4. Step 4: Simplify right side
    683,463.02x = 336,851,316,800.64
  5. Step 5: Solve for x
    x = 336,851,316,800.64/683,463.02
  6. Step 6: Final answer
    x = 492,859.61

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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.