Home / 850,782.72-1,174,137.04-468,809.50

Finding the Fourth Proportional to 850,782.72, 1,174,137.04 and 468,809.50

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Solution

The fourth proportional to 850,782.72, 1,174,137.04 and 468,809.50 is: 646,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,782.72 : 1,174,137.04 = 468,809.50 : x
  2. Step 2: Convert to fraction form
    850,782.72/1,174,137.04 = 468,809.50/x
  3. Step 3: Cross multiply
    850,782.72x = 1,174,137.04 × 468,809.50
  4. Step 4: Simplify right side
    850,782.72x = 550,446,590,439.15
  5. Step 5: Solve for x
    x = 550,446,590,439.15/850,782.72
  6. Step 6: Final answer
    x = 646,988.45

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Why These Related Problems?

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