Home / 800,457.69-1,104,691.55-456,301.82

Finding the Fourth Proportional to 800,457.69, 1,104,691.55 and 456,301.82

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Solution

The fourth proportional to 800,457.69, 1,104,691.55 and 456,301.82 is: 629,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,457.69 : 1,104,691.55 = 456,301.82 : x
  2. Step 2: Convert to fraction form
    800,457.69/1,104,691.55 = 456,301.82/x
  3. Step 3: Cross multiply
    800,457.69x = 1,104,691.55 × 456,301.82
  4. Step 4: Simplify right side
    800,457.69x = 504,072,759,280.16
  5. Step 5: Solve for x
    x = 504,072,759,280.16/800,457.69
  6. Step 6: Final answer
    x = 629,730.67

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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.