Home / 947,427.34-1,421,589.19-491,776.42

Finding the Fourth Proportional to 947,427.34, 1,421,589.19 and 491,776.42

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Solution

The fourth proportional to 947,427.34, 1,421,589.19 and 491,776.42 is: 737,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,427.34 : 1,421,589.19 = 491,776.42 : x
  2. Step 2: Convert to fraction form
    947,427.34/1,421,589.19 = 491,776.42/x
  3. Step 3: Cross multiply
    947,427.34x = 1,421,589.19 × 491,776.42
  4. Step 4: Simplify right side
    947,427.34x = 699,104,033,616.79
  5. Step 5: Solve for x
    x = 699,104,033,616.79/947,427.34
  6. Step 6: Final answer
    x = 737,897.26

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1.5x scale

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.