Home / 756,942.66-1,134,128.70-456,792.53

Finding the Fourth Proportional to 756,942.66, 1,134,128.70 and 456,792.53

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Solution

The fourth proportional to 756,942.66, 1,134,128.70 and 456,792.53 is: 684,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,942.66 : 1,134,128.70 = 456,792.53 : x
  2. Step 2: Convert to fraction form
    756,942.66/1,134,128.70 = 456,792.53/x
  3. Step 3: Cross multiply
    756,942.66x = 1,134,128.70 × 456,792.53
  4. Step 4: Simplify right side
    756,942.66x = 518,061,518,218.61
  5. Step 5: Solve for x
    x = 518,061,518,218.61/756,942.66
  6. Step 6: Final answer
    x = 684,413.16

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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.