Home / 747,032.20-1,030,903.22-407,500.44

Finding the Fourth Proportional to 747,032.20, 1,030,903.22 and 407,500.44

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Solution

The fourth proportional to 747,032.20, 1,030,903.22 and 407,500.44 is: 562,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,032.20 : 1,030,903.22 = 407,500.44 : x
  2. Step 2: Convert to fraction form
    747,032.20/1,030,903.22 = 407,500.44/x
  3. Step 3: Cross multiply
    747,032.20x = 1,030,903.22 × 407,500.44
  4. Step 4: Simplify right side
    747,032.20x = 420,093,515,747.42
  5. Step 5: Solve for x
    x = 420,093,515,747.42/747,032.20
  6. Step 6: Final answer
    x = 562,349.94

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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.