Home / 455,373.06-682,904.07-286,789.38

Finding the Fourth Proportional to 455,373.06, 682,904.07 and 286,789.38

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Solution

The fourth proportional to 455,373.06, 682,904.07 and 286,789.38 is: 430,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,373.06 : 682,904.07 = 286,789.38 : x
  2. Step 2: Convert to fraction form
    455,373.06/682,904.07 = 286,789.38/x
  3. Step 3: Cross multiply
    455,373.06x = 682,904.07 × 286,789.38
  4. Step 4: Simplify right side
    455,373.06x = 195,849,634,834.78
  5. Step 5: Solve for x
    x = 195,849,634,834.78/455,373.06
  6. Step 6: Final answer
    x = 430,086.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.