Home / 649,854.20-973,859.70-480,049.40

Finding the Fourth Proportional to 649,854.20, 973,859.70 and 480,049.40

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Solution

The fourth proportional to 649,854.20, 973,859.70 and 480,049.40 is: 719,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,854.20 : 973,859.70 = 480,049.40 : x
  2. Step 2: Convert to fraction form
    649,854.20/973,859.70 = 480,049.40/x
  3. Step 3: Cross multiply
    649,854.20x = 973,859.70 × 480,049.40
  4. Step 4: Simplify right side
    649,854.20x = 467,500,764,669.18
  5. Step 5: Solve for x
    x = 467,500,764,669.18/649,854.20
  6. Step 6: Final answer
    x = 719,393.31

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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.