Home / 745,749.64-1,029,105.48-455,846.64

Finding the Fourth Proportional to 745,749.64, 1,029,105.48 and 455,846.64

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Solution

The fourth proportional to 745,749.64, 1,029,105.48 and 455,846.64 is: 629,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,749.64 : 1,029,105.48 = 455,846.64 : x
  2. Step 2: Convert to fraction form
    745,749.64/1,029,105.48 = 455,846.64/x
  3. Step 3: Cross multiply
    745,749.64x = 1,029,105.48 × 455,846.64
  4. Step 4: Simplify right side
    745,749.64x = 469,114,275,263.59
  5. Step 5: Solve for x
    x = 469,114,275,263.59/745,749.64
  6. Step 6: Final answer
    x = 629,050.62

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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.