Home / 934,992.54-1,290,290.04-505,272.42

Finding the Fourth Proportional to 934,992.54, 1,290,290.04 and 505,272.42

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Solution

The fourth proportional to 934,992.54, 1,290,290.04 and 505,272.42 is: 697,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,992.54 : 1,290,290.04 = 505,272.42 : x
  2. Step 2: Convert to fraction form
    934,992.54/1,290,290.04 = 505,272.42/x
  3. Step 3: Cross multiply
    934,992.54x = 1,290,290.04 × 505,272.42
  4. Step 4: Simplify right side
    934,992.54x = 651,947,971,012.70
  5. Step 5: Solve for x
    x = 651,947,971,012.70/934,992.54
  6. Step 6: Final answer
    x = 697,276.12

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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.