Home / 843,146.57-1,163,512.81-480,687.16

Finding the Fourth Proportional to 843,146.57, 1,163,512.81 and 480,687.16

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Solution

The fourth proportional to 843,146.57, 1,163,512.81 and 480,687.16 is: 663,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,146.57 : 1,163,512.81 = 480,687.16 : x
  2. Step 2: Convert to fraction form
    843,146.57/1,163,512.81 = 480,687.16/x
  3. Step 3: Cross multiply
    843,146.57x = 1,163,512.81 × 480,687.16
  4. Step 4: Simplify right side
    843,146.57x = 559,285,668,262.52
  5. Step 5: Solve for x
    x = 559,285,668,262.52/843,146.57
  6. Step 6: Final answer
    x = 663,331.49

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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.