Home / 845,270.09-1,166,470.31-463,295.69

Finding the Fourth Proportional to 845,270.09, 1,166,470.31 and 463,295.69

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Solution

The fourth proportional to 845,270.09, 1,166,470.31 and 463,295.69 is: 639,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,270.09 : 1,166,470.31 = 463,295.69 : x
  2. Step 2: Convert to fraction form
    845,270.09/1,166,470.31 = 463,295.69/x
  3. Step 3: Cross multiply
    845,270.09x = 1,166,470.31 × 463,295.69
  4. Step 4: Simplify right side
    845,270.09x = 540,420,664,819.49
  5. Step 5: Solve for x
    x = 540,420,664,819.49/845,270.09
  6. Step 6: Final answer
    x = 639,346.73

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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.