Home / 839,490.66-1,158,501.09-476,934.41

Finding the Fourth Proportional to 839,490.66, 1,158,501.09 and 476,934.41

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Solution

The fourth proportional to 839,490.66, 1,158,501.09 and 476,934.41 is: 658,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,490.66 : 1,158,501.09 = 476,934.41 : x
  2. Step 2: Convert to fraction form
    839,490.66/1,158,501.09 = 476,934.41/x
  3. Step 3: Cross multiply
    839,490.66x = 1,158,501.09 × 476,934.41
  4. Step 4: Simplify right side
    839,490.66x = 552,529,033,843.51
  5. Step 5: Solve for x
    x = 552,529,033,843.51/839,490.66
  6. Step 6: Final answer
    x = 658,171.75

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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.