Home / 869,318.55-1,303,977.83-550,453.95

Finding the Fourth Proportional to 869,318.55, 1,303,977.83 and 550,453.95

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Solution

The fourth proportional to 869,318.55, 1,303,977.83 and 550,453.95 is: 825,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,318.55 : 1,303,977.83 = 550,453.95 : x
  2. Step 2: Convert to fraction form
    869,318.55/1,303,977.83 = 550,453.95/x
  3. Step 3: Cross multiply
    869,318.55x = 1,303,977.83 × 550,453.95
  4. Step 4: Simplify right side
    869,318.55x = 717,779,744,483.66
  5. Step 5: Solve for x
    x = 717,779,744,483.66/869,318.55
  6. Step 6: Final answer
    x = 825,680.93

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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.