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Finding the Fourth Proportional to 649,450.92, 895,661.76 and 407,755.92

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Solution

The fourth proportional to 649,450.92, 895,661.76 and 407,755.92 is: 562,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,450.92 : 895,661.76 = 407,755.92 : x
  2. Step 2: Convert to fraction form
    649,450.92/895,661.76 = 407,755.92/x
  3. Step 3: Cross multiply
    649,450.92x = 895,661.76 × 407,755.92
  4. Step 4: Simplify right side
    649,450.92x = 365,211,384,957.62
  5. Step 5: Solve for x
    x = 365,211,384,957.62/649,450.92
  6. Step 6: Final answer
    x = 562,338.70

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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.