Home / 839,322.36-1,158,228.59-476,745.12

Finding the Fourth Proportional to 839,322.36, 1,158,228.59 and 476,745.12

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Solution

The fourth proportional to 839,322.36, 1,158,228.59 and 476,745.12 is: 657,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,322.36 : 1,158,228.59 = 476,745.12 : x
  2. Step 2: Convert to fraction form
    839,322.36/1,158,228.59 = 476,745.12/x
  3. Step 3: Cross multiply
    839,322.36x = 1,158,228.59 × 476,745.12
  4. Step 4: Simplify right side
    839,322.36x = 552,179,825,743.26
  5. Step 5: Solve for x
    x = 552,179,825,743.26/839,322.36
  6. Step 6: Final answer
    x = 657,887.66

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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.