Home / 985,277.74-1,359,716.83-571,782.50

Finding the Fourth Proportional to 985,277.74, 1,359,716.83 and 571,782.50

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Solution

The fourth proportional to 985,277.74, 1,359,716.83 and 571,782.50 is: 789,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,277.74 : 1,359,716.83 = 571,782.50 : x
  2. Step 2: Convert to fraction form
    985,277.74/1,359,716.83 = 571,782.50/x
  3. Step 3: Cross multiply
    985,277.74x = 1,359,716.83 × 571,782.50
  4. Step 4: Simplify right side
    985,277.74x = 777,462,285,895.08
  5. Step 5: Solve for x
    x = 777,462,285,895.08/985,277.74
  6. Step 6: Final answer
    x = 789,079.32

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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.