Home / 983,012.69-1,474,720.13-414,393.90

Finding the Fourth Proportional to 983,012.69, 1,474,720.13 and 414,393.90

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Solution

The fourth proportional to 983,012.69, 1,474,720.13 and 414,393.90 is: 621,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,012.69 : 1,474,720.13 = 414,393.90 : x
  2. Step 2: Convert to fraction form
    983,012.69/1,474,720.13 = 414,393.90/x
  3. Step 3: Cross multiply
    983,012.69x = 1,474,720.13 × 414,393.90
  4. Step 4: Simplify right side
    983,012.69x = 611,115,024,007.24
  5. Step 5: Solve for x
    x = 611,115,024,007.24/983,012.69
  6. Step 6: Final answer
    x = 621,675.62

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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.