Home / 849,443.79-1,172,208.87-481,987.83

Finding the Fourth Proportional to 849,443.79, 1,172,208.87 and 481,987.83

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Solution

The fourth proportional to 849,443.79, 1,172,208.87 and 481,987.83 is: 665,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,443.79 : 1,172,208.87 = 481,987.83 : x
  2. Step 2: Convert to fraction form
    849,443.79/1,172,208.87 = 481,987.83/x
  3. Step 3: Cross multiply
    849,443.79x = 1,172,208.87 × 481,987.83
  4. Step 4: Simplify right side
    849,443.79x = 564,990,409,558.05
  5. Step 5: Solve for x
    x = 564,990,409,558.05/849,443.79
  6. Step 6: Final answer
    x = 665,129.84

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1.5x scale

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.