Home / 808,452.77-1,211,349.13-641,048.45

Finding the Fourth Proportional to 808,452.77, 1,211,349.13 and 641,048.45

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Solution

The fourth proportional to 808,452.77, 1,211,349.13 and 641,048.45 is: 960,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,452.77 : 1,211,349.13 = 641,048.45 : x
  2. Step 2: Convert to fraction form
    808,452.77/1,211,349.13 = 641,048.45/x
  3. Step 3: Cross multiply
    808,452.77x = 1,211,349.13 × 641,048.45
  4. Step 4: Simplify right side
    808,452.77x = 776,533,474,535.98
  5. Step 5: Solve for x
    x = 776,533,474,535.98/808,452.77
  6. Step 6: Final answer
    x = 960,518.05

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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.