Home / 880,792.15-1,215,435.61-518,145.94

Finding the Fourth Proportional to 880,792.15, 1,215,435.61 and 518,145.94

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Solution

The fourth proportional to 880,792.15, 1,215,435.61 and 518,145.94 is: 715,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,792.15 : 1,215,435.61 = 518,145.94 : x
  2. Step 2: Convert to fraction form
    880,792.15/1,215,435.61 = 518,145.94/x
  3. Step 3: Cross multiply
    880,792.15x = 1,215,435.61 × 518,145.94
  4. Step 4: Simplify right side
    880,792.15x = 629,773,026,652.92
  5. Step 5: Solve for x
    x = 629,773,026,652.92/880,792.15
  6. Step 6: Final answer
    x = 715,007.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.