Home / 947,899.08-1,420,590.96-414,839.70

Finding the Fourth Proportional to 947,899.08, 1,420,590.96 and 414,839.70

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Solution

The fourth proportional to 947,899.08, 1,420,590.96 and 414,839.70 is: 621,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,899.08 : 1,420,590.96 = 414,839.70 : x
  2. Step 2: Convert to fraction form
    947,899.08/1,420,590.96 = 414,839.70/x
  3. Step 3: Cross multiply
    947,899.08x = 1,420,590.96 × 414,839.70
  4. Step 4: Simplify right side
    947,899.08x = 589,317,527,669.11
  5. Step 5: Solve for x
    x = 589,317,527,669.11/947,899.08
  6. Step 6: Final answer
    x = 621,709.15

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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.