Home / 849,811.44-1,172,694.06-487,217.64

Finding the Fourth Proportional to 849,811.44, 1,172,694.06 and 487,217.64

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Solution

The fourth proportional to 849,811.44, 1,172,694.06 and 487,217.64 is: 672,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,811.44 : 1,172,694.06 = 487,217.64 : x
  2. Step 2: Convert to fraction form
    849,811.44/1,172,694.06 = 487,217.64/x
  3. Step 3: Cross multiply
    849,811.44x = 1,172,694.06 × 487,217.64
  4. Step 4: Simplify right side
    849,811.44x = 571,357,232,355.22
  5. Step 5: Solve for x
    x = 571,357,232,355.22/849,811.44
  6. Step 6: Final answer
    x = 672,334.13

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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.