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Finding the Fourth Proportional to 610,762.86, 916,144.29 and 330,826.86

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Solution

The fourth proportional to 610,762.86, 916,144.29 and 330,826.86 is: 496,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,762.86 : 916,144.29 = 330,826.86 : x
  2. Step 2: Convert to fraction form
    610,762.86/916,144.29 = 330,826.86/x
  3. Step 3: Cross multiply
    610,762.86x = 916,144.29 × 330,826.86
  4. Step 4: Simplify right side
    610,762.86x = 303,085,138,767.63
  5. Step 5: Solve for x
    x = 303,085,138,767.63/610,762.86
  6. Step 6: Final answer
    x = 496,240.29

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.