Home / 985,374.69-1,477,602.75-511,932.93

Finding the Fourth Proportional to 985,374.69, 1,477,602.75 and 511,932.93

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Solution

The fourth proportional to 985,374.69, 1,477,602.75 and 511,932.93 is: 767,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,374.69 : 1,477,602.75 = 511,932.93 : x
  2. Step 2: Convert to fraction form
    985,374.69/1,477,602.75 = 511,932.93/x
  3. Step 3: Cross multiply
    985,374.69x = 1,477,602.75 × 511,932.93
  4. Step 4: Simplify right side
    985,374.69x = 756,433,501,562.30
  5. Step 5: Solve for x
    x = 756,433,501,562.30/985,374.69
  6. Step 6: Final answer
    x = 767,660.78

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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.