Home / 808,607.16-1,212,910.74-453,870.36

Finding the Fourth Proportional to 808,607.16, 1,212,910.74 and 453,870.36

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Solution

The fourth proportional to 808,607.16, 1,212,910.74 and 453,870.36 is: 680,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,607.16 : 1,212,910.74 = 453,870.36 : x
  2. Step 2: Convert to fraction form
    808,607.16/1,212,910.74 = 453,870.36/x
  3. Step 3: Cross multiply
    808,607.16x = 1,212,910.74 × 453,870.36
  4. Step 4: Simplify right side
    808,607.16x = 550,504,234,211.67
  5. Step 5: Solve for x
    x = 550,504,234,211.67/808,607.16
  6. Step 6: Final answer
    x = 680,805.54

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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.