Home / 807,688.68-1,211,533.02-274,935.48

Finding the Fourth Proportional to 807,688.68, 1,211,533.02 and 274,935.48

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Solution

The fourth proportional to 807,688.68, 1,211,533.02 and 274,935.48 is: 412,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,688.68 : 1,211,533.02 = 274,935.48 : x
  2. Step 2: Convert to fraction form
    807,688.68/1,211,533.02 = 274,935.48/x
  3. Step 3: Cross multiply
    807,688.68x = 1,211,533.02 × 274,935.48
  4. Step 4: Simplify right side
    807,688.68x = 333,093,412,389.55
  5. Step 5: Solve for x
    x = 333,093,412,389.55/807,688.68
  6. Step 6: Final answer
    x = 412,403.22

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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.