Home / 858,739.87-1,185,014.74-476,742.04

Finding the Fourth Proportional to 858,739.87, 1,185,014.74 and 476,742.04

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Solution

The fourth proportional to 858,739.87, 1,185,014.74 and 476,742.04 is: 657,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,739.87 : 1,185,014.74 = 476,742.04 : x
  2. Step 2: Convert to fraction form
    858,739.87/1,185,014.74 = 476,742.04/x
  3. Step 3: Cross multiply
    858,739.87x = 1,185,014.74 × 476,742.04
  4. Step 4: Simplify right side
    858,739.87x = 564,946,344,577.67
  5. Step 5: Solve for x
    x = 564,946,344,577.67/858,739.87
  6. Step 6: Final answer
    x = 657,878.32

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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.