Home / 905,966.64-1,355,992.88-666,017.03

Finding the Fourth Proportional to 905,966.64, 1,355,992.88 and 666,017.03

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Solution

The fourth proportional to 905,966.64, 1,355,992.88 and 666,017.03 is: 996,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,966.64 : 1,355,992.88 = 666,017.03 : x
  2. Step 2: Convert to fraction form
    905,966.64/1,355,992.88 = 666,017.03/x
  3. Step 3: Cross multiply
    905,966.64x = 1,355,992.88 × 666,017.03
  4. Step 4: Simplify right side
    905,966.64x = 903,114,342,193.74
  5. Step 5: Solve for x
    x = 903,114,342,193.74/905,966.64
  6. Step 6: Final answer
    x = 996,851.65

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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.