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Finding the Fourth Proportional to 653,550.92, 901,794.21 and 408,506.67

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Solution

The fourth proportional to 653,550.92, 901,794.21 and 408,506.67 is: 563,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,550.92 : 901,794.21 = 408,506.67 : x
  2. Step 2: Convert to fraction form
    653,550.92/901,794.21 = 408,506.67/x
  3. Step 3: Cross multiply
    653,550.92x = 901,794.21 × 408,506.67
  4. Step 4: Simplify right side
    653,550.92x = 368,388,949,752.38
  5. Step 5: Solve for x
    x = 368,388,949,752.38/653,550.92
  6. Step 6: Final answer
    x = 563,672.92

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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.