Home / 783,834.43-1,081,292.74-512,061.41

Finding the Fourth Proportional to 783,834.43, 1,081,292.74 and 512,061.41

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Solution

The fourth proportional to 783,834.43, 1,081,292.74 and 512,061.41 is: 706,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,834.43 : 1,081,292.74 = 512,061.41 : x
  2. Step 2: Convert to fraction form
    783,834.43/1,081,292.74 = 512,061.41/x
  3. Step 3: Cross multiply
    783,834.43x = 1,081,292.74 × 512,061.41
  4. Step 4: Simplify right side
    783,834.43x = 553,688,279,660.70
  5. Step 5: Solve for x
    x = 553,688,279,660.70/783,834.43
  6. Step 6: Final answer
    x = 706,384.23

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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.