Home / 816,150.13-1,126,260.20-448,628.50

Finding the Fourth Proportional to 816,150.13, 1,126,260.20 and 448,628.50

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Solution

The fourth proportional to 816,150.13, 1,126,260.20 and 448,628.50 is: 619,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,150.13 : 1,126,260.20 = 448,628.50 : x
  2. Step 2: Convert to fraction form
    816,150.13/1,126,260.20 = 448,628.50/x
  3. Step 3: Cross multiply
    816,150.13x = 1,126,260.20 × 448,628.50
  4. Step 4: Simplify right side
    816,150.13x = 505,272,420,973.95
  5. Step 5: Solve for x
    x = 505,272,420,973.95/816,150.13
  6. Step 6: Final answer
    x = 619,092.50

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1.5x scale

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.