Home / 855,677.84-1,180,878.90-493,160.72

Finding the Fourth Proportional to 855,677.84, 1,180,878.90 and 493,160.72

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Solution

The fourth proportional to 855,677.84, 1,180,878.90 and 493,160.72 is: 680,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,677.84 : 1,180,878.90 = 493,160.72 : x
  2. Step 2: Convert to fraction form
    855,677.84/1,180,878.90 = 493,160.72/x
  3. Step 3: Cross multiply
    855,677.84x = 1,180,878.90 × 493,160.72
  4. Step 4: Simplify right side
    855,677.84x = 582,363,088,556.81
  5. Step 5: Solve for x
    x = 582,363,088,556.81/855,677.84
  6. Step 6: Final answer
    x = 680,586.85

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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.