Home / 970,643.10-1,455,964.65-339,491.10

Finding the Fourth Proportional to 970,643.10, 1,455,964.65 and 339,491.10

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Solution

The fourth proportional to 970,643.10, 1,455,964.65 and 339,491.10 is: 509,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,643.10 : 1,455,964.65 = 339,491.10 : x
  2. Step 2: Convert to fraction form
    970,643.10/1,455,964.65 = 339,491.10/x
  3. Step 3: Cross multiply
    970,643.10x = 1,455,964.65 × 339,491.10
  4. Step 4: Simplify right side
    970,643.10x = 494,287,040,589.62
  5. Step 5: Solve for x
    x = 494,287,040,589.62/970,643.10
  6. Step 6: Final answer
    x = 509,236.65

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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.