Home / 857,744.04-1,183,682.98-490,215.04

Finding the Fourth Proportional to 857,744.04, 1,183,682.98 and 490,215.04

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Solution

The fourth proportional to 857,744.04, 1,183,682.98 and 490,215.04 is: 676,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,744.04 : 1,183,682.98 = 490,215.04 : x
  2. Step 2: Convert to fraction form
    857,744.04/1,183,682.98 = 490,215.04/x
  3. Step 3: Cross multiply
    857,744.04x = 1,183,682.98 × 490,215.04
  4. Step 4: Simplify right side
    857,744.04x = 580,259,199,388.02
  5. Step 5: Solve for x
    x = 580,259,199,388.02/857,744.04
  6. Step 6: Final answer
    x = 676,494.59

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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.