Home / 855,451.18-1,180,817.58-493,019.74

Finding the Fourth Proportional to 855,451.18, 1,180,817.58 and 493,019.74

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Solution

The fourth proportional to 855,451.18, 1,180,817.58 and 493,019.74 is: 680,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,451.18 : 1,180,817.58 = 493,019.74 : x
  2. Step 2: Convert to fraction form
    855,451.18/1,180,817.58 = 493,019.74/x
  3. Step 3: Cross multiply
    855,451.18x = 1,180,817.58 × 493,019.74
  4. Step 4: Simplify right side
    855,451.18x = 582,166,376,279.03
  5. Step 5: Solve for x
    x = 582,166,376,279.03/855,451.18
  6. Step 6: Final answer
    x = 680,537.23

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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.