Home / 830,305.08-1,145,815.94-467,845.67

Finding the Fourth Proportional to 830,305.08, 1,145,815.94 and 467,845.67

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Solution

The fourth proportional to 830,305.08, 1,145,815.94 and 467,845.67 is: 645,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,305.08 : 1,145,815.94 = 467,845.67 : x
  2. Step 2: Convert to fraction form
    830,305.08/1,145,815.94 = 467,845.67/x
  3. Step 3: Cross multiply
    830,305.08x = 1,145,815.94 × 467,845.67
  4. Step 4: Simplify right side
    830,305.08x = 536,065,030,180.13
  5. Step 5: Solve for x
    x = 536,065,030,180.13/830,305.08
  6. Step 6: Final answer
    x = 645,624.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.