Home / 747,086.20-1,030,977.64-407,554.44

Finding the Fourth Proportional to 747,086.20, 1,030,977.64 and 407,554.44

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Solution

The fourth proportional to 747,086.20, 1,030,977.64 and 407,554.44 is: 562,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,086.20 : 1,030,977.64 = 407,554.44 : x
  2. Step 2: Convert to fraction form
    747,086.20/1,030,977.64 = 407,554.44/x
  3. Step 3: Cross multiply
    747,086.20x = 1,030,977.64 × 407,554.44
  4. Step 4: Simplify right side
    747,086.20x = 420,179,514,722.72
  5. Step 5: Solve for x
    x = 420,179,514,722.72/747,086.20
  6. Step 6: Final answer
    x = 562,424.41

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1.5x scale

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.