Home / 858,028.78-1,184,079.89-476,054.65

Finding the Fourth Proportional to 858,028.78, 1,184,079.89 and 476,054.65

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Solution

The fourth proportional to 858,028.78, 1,184,079.89 and 476,054.65 is: 656,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,028.78 : 1,184,079.89 = 476,054.65 : x
  2. Step 2: Convert to fraction form
    858,028.78/1,184,079.89 = 476,054.65/x
  3. Step 3: Cross multiply
    858,028.78x = 1,184,079.89 × 476,054.65
  4. Step 4: Simplify right side
    858,028.78x = 563,686,735,835.93
  5. Step 5: Solve for x
    x = 563,686,735,835.93/858,028.78
  6. Step 6: Final answer
    x = 656,955.51

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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.