Home / 767,730.76-1,150,662.21-543,155.93

Finding the Fourth Proportional to 767,730.76, 1,150,662.21 and 543,155.93

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Solution

The fourth proportional to 767,730.76, 1,150,662.21 and 543,155.93 is: 814,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,730.76 : 1,150,662.21 = 543,155.93 : x
  2. Step 2: Convert to fraction form
    767,730.76/1,150,662.21 = 543,155.93/x
  3. Step 3: Cross multiply
    767,730.76x = 1,150,662.21 × 543,155.93
  4. Step 4: Simplify right side
    767,730.76x = 624,988,999,313.24
  5. Step 5: Solve for x
    x = 624,988,999,313.24/767,730.76
  6. Step 6: Final answer
    x = 814,073.15

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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.