Home / 763,468.20-1,145,670.30-314,404.20

Finding the Fourth Proportional to 763,468.20, 1,145,670.30 and 314,404.20

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Solution

The fourth proportional to 763,468.20, 1,145,670.30 and 314,404.20 is: 471,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,468.20 : 1,145,670.30 = 314,404.20 : x
  2. Step 2: Convert to fraction form
    763,468.20/1,145,670.30 = 314,404.20/x
  3. Step 3: Cross multiply
    763,468.20x = 1,145,670.30 × 314,404.20
  4. Step 4: Simplify right side
    763,468.20x = 360,203,554,135.26
  5. Step 5: Solve for x
    x = 360,203,554,135.26/763,468.20
  6. Step 6: Final answer
    x = 471,799.03

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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.