Home / 490,744.23-736,116.45-153,784.80

Finding the Fourth Proportional to 490,744.23, 736,116.45 and 153,784.80

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Solution

The fourth proportional to 490,744.23, 736,116.45 and 153,784.80 is: 230,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,744.23 : 736,116.45 = 153,784.80 : x
  2. Step 2: Convert to fraction form
    490,744.23/736,116.45 = 153,784.80/x
  3. Step 3: Cross multiply
    490,744.23x = 736,116.45 × 153,784.80
  4. Step 4: Simplify right side
    490,744.23x = 113,203,521,039.96
  5. Step 5: Solve for x
    x = 113,203,521,039.96/490,744.23
  6. Step 6: Final answer
    x = 230,677.23

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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.