Home / 986,329.60-1,479,504.24-312,398.08

Finding the Fourth Proportional to 986,329.60, 1,479,504.24 and 312,398.08

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Solution

The fourth proportional to 986,329.60, 1,479,504.24 and 312,398.08 is: 468,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,329.60 : 1,479,504.24 = 312,398.08 : x
  2. Step 2: Convert to fraction form
    986,329.60/1,479,504.24 = 312,398.08/x
  3. Step 3: Cross multiply
    986,329.60x = 1,479,504.24 × 312,398.08
  4. Step 4: Simplify right side
    986,329.60x = 462,194,283,927.86
  5. Step 5: Solve for x
    x = 462,194,283,927.86/986,329.60
  6. Step 6: Final answer
    x = 468,600.24

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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.