Home / 789,240.28-1,088,894.46-482,997.10

Finding the Fourth Proportional to 789,240.28, 1,088,894.46 and 482,997.10

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Solution

The fourth proportional to 789,240.28, 1,088,894.46 and 482,997.10 is: 666,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,240.28 : 1,088,894.46 = 482,997.10 : x
  2. Step 2: Convert to fraction form
    789,240.28/1,088,894.46 = 482,997.10/x
  3. Step 3: Cross multiply
    789,240.28x = 1,088,894.46 × 482,997.10
  4. Step 4: Simplify right side
    789,240.28x = 525,932,866,386.07
  5. Step 5: Solve for x
    x = 525,932,866,386.07/789,240.28
  6. Step 6: Final answer
    x = 666,378.64

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Double scale
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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.