Home / 719,764.24-1,080,020.04-293,612.80

Finding the Fourth Proportional to 719,764.24, 1,080,020.04 and 293,612.80

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Solution

The fourth proportional to 719,764.24, 1,080,020.04 and 293,612.80 is: 440,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,764.24 : 1,080,020.04 = 293,612.80 : x
  2. Step 2: Convert to fraction form
    719,764.24/1,080,020.04 = 293,612.80/x
  3. Step 3: Cross multiply
    719,764.24x = 1,080,020.04 × 293,612.80
  4. Step 4: Simplify right side
    719,764.24x = 317,107,708,000.51
  5. Step 5: Solve for x
    x = 317,107,708,000.51/719,764.24
  6. Step 6: Final answer
    x = 440,571.63

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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.