Home / 809,913.80-1,214,870.70-248,947.40

Finding the Fourth Proportional to 809,913.80, 1,214,870.70 and 248,947.40

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Solution

The fourth proportional to 809,913.80, 1,214,870.70 and 248,947.40 is: 373,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,913.80 : 1,214,870.70 = 248,947.40 : x
  2. Step 2: Convert to fraction form
    809,913.80/1,214,870.70 = 248,947.40/x
  3. Step 3: Cross multiply
    809,913.80x = 1,214,870.70 × 248,947.40
  4. Step 4: Simplify right side
    809,913.80x = 302,438,902,101.18
  5. Step 5: Solve for x
    x = 302,438,902,101.18/809,913.80
  6. Step 6: Final answer
    x = 373,421.10

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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.