Home / 649,853.20-973,858.20-480,048.40

Finding the Fourth Proportional to 649,853.20, 973,858.20 and 480,048.40

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Solution

The fourth proportional to 649,853.20, 973,858.20 and 480,048.40 is: 719,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,853.20 : 973,858.20 = 480,048.40 : x
  2. Step 2: Convert to fraction form
    649,853.20/973,858.20 = 480,048.40/x
  3. Step 3: Cross multiply
    649,853.20x = 973,858.20 × 480,048.40
  4. Step 4: Simplify right side
    649,853.20x = 467,499,070,736.88
  5. Step 5: Solve for x
    x = 467,499,070,736.88/649,853.20
  6. Step 6: Final answer
    x = 719,391.81

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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.