Home / 733,643.21-1,012,437.96-443,214.40

Finding the Fourth Proportional to 733,643.21, 1,012,437.96 and 443,214.40

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Solution

The fourth proportional to 733,643.21, 1,012,437.96 and 443,214.40 is: 611,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,643.21 : 1,012,437.96 = 443,214.40 : x
  2. Step 2: Convert to fraction form
    733,643.21/1,012,437.96 = 443,214.40/x
  3. Step 3: Cross multiply
    733,643.21x = 1,012,437.96 × 443,214.40
  4. Step 4: Simplify right side
    733,643.21x = 448,727,082,978.62
  5. Step 5: Solve for x
    x = 448,727,082,978.62/733,643.21
  6. Step 6: Final answer
    x = 611,642.11

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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.