Home / 875,991.16-1,208,833.86-488,786.45

Finding the Fourth Proportional to 875,991.16, 1,208,833.86 and 488,786.45

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Solution

The fourth proportional to 875,991.16, 1,208,833.86 and 488,786.45 is: 674,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,991.16 : 1,208,833.86 = 488,786.45 : x
  2. Step 2: Convert to fraction form
    875,991.16/1,208,833.86 = 488,786.45/x
  3. Step 3: Cross multiply
    875,991.16x = 1,208,833.86 × 488,786.45
  4. Step 4: Simplify right side
    875,991.16x = 590,861,611,069.20
  5. Step 5: Solve for x
    x = 590,861,611,069.20/875,991.16
  6. Step 6: Final answer
    x = 674,506.36

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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.