Home / 440,922.94-608,603.14-287,984.50

Finding the Fourth Proportional to 440,922.94, 608,603.14 and 287,984.50

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Solution

The fourth proportional to 440,922.94, 608,603.14 and 287,984.50 is: 397,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,922.94 : 608,603.14 = 287,984.50 : x
  2. Step 2: Convert to fraction form
    440,922.94/608,603.14 = 287,984.50/x
  3. Step 3: Cross multiply
    440,922.94x = 608,603.14 × 287,984.50
  4. Step 4: Simplify right side
    440,922.94x = 175,268,270,971.33
  5. Step 5: Solve for x
    x = 175,268,270,971.33/440,922.94
  6. Step 6: Final answer
    x = 397,503.18

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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.