Home / 869,246.70-1,303,870.05-659,294.70

Finding the Fourth Proportional to 869,246.70, 1,303,870.05 and 659,294.70

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Solution

The fourth proportional to 869,246.70, 1,303,870.05 and 659,294.70 is: 988,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,246.70 : 1,303,870.05 = 659,294.70 : x
  2. Step 2: Convert to fraction form
    869,246.70/1,303,870.05 = 659,294.70/x
  3. Step 3: Cross multiply
    869,246.70x = 1,303,870.05 × 659,294.70
  4. Step 4: Simplify right side
    869,246.70x = 859,634,613,453.74
  5. Step 5: Solve for x
    x = 859,634,613,453.74/869,246.70
  6. Step 6: Final answer
    x = 988,942.05

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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.