Home / 510,739.72-766,440.06-230,239.96

Finding the Fourth Proportional to 510,739.72, 766,440.06 and 230,239.96

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Solution

The fourth proportional to 510,739.72, 766,440.06 and 230,239.96 is: 345,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,739.72 : 766,440.06 = 230,239.96 : x
  2. Step 2: Convert to fraction form
    510,739.72/766,440.06 = 230,239.96/x
  3. Step 3: Cross multiply
    510,739.72x = 766,440.06 × 230,239.96
  4. Step 4: Simplify right side
    510,739.72x = 176,465,128,756.80
  5. Step 5: Solve for x
    x = 176,465,128,756.80/510,739.72
  6. Step 6: Final answer
    x = 345,508.92

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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.