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Finding the Fourth Proportional to 404,622.95, 607,307.02 and 205,084.71

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Solution

The fourth proportional to 404,622.95, 607,307.02 and 205,084.71 is: 307,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,622.95 : 607,307.02 = 205,084.71 : x
  2. Step 2: Convert to fraction form
    404,622.95/607,307.02 = 205,084.71/x
  3. Step 3: Cross multiply
    404,622.95x = 607,307.02 × 205,084.71
  4. Step 4: Simplify right side
    404,622.95x = 124,549,383,564.95
  5. Step 5: Solve for x
    x = 124,549,383,564.95/404,622.95
  6. Step 6: Final answer
    x = 307,815.92

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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.