Home / 986,561.95-1,479,884.08-312,628.33

Finding the Fourth Proportional to 986,561.95, 1,479,884.08 and 312,628.33

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Solution

The fourth proportional to 986,561.95, 1,479,884.08 and 312,628.33 is: 468,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,561.95 : 1,479,884.08 = 312,628.33 : x
  2. Step 2: Convert to fraction form
    986,561.95/1,479,884.08 = 312,628.33/x
  3. Step 3: Cross multiply
    986,561.95x = 1,479,884.08 × 312,628.33
  4. Step 4: Simplify right side
    986,561.95x = 462,653,688,523.99
  5. Step 5: Solve for x
    x = 462,653,688,523.99/986,561.95
  6. Step 6: Final answer
    x = 468,955.54

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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.