Home / 999,520.45-1,498,868.22-383,931.37

Finding the Fourth Proportional to 999,520.45, 1,498,868.22 and 383,931.37

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Solution

The fourth proportional to 999,520.45, 1,498,868.22 and 383,931.37 is: 575,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,520.45 : 1,498,868.22 = 383,931.37 : x
  2. Step 2: Convert to fraction form
    999,520.45/1,498,868.22 = 383,931.37/x
  3. Step 3: Cross multiply
    999,520.45x = 1,498,868.22 × 383,931.37
  4. Step 4: Simplify right side
    999,520.45x = 575,462,529,154.06
  5. Step 5: Solve for x
    x = 575,462,529,154.06/999,520.45
  6. Step 6: Final answer
    x = 575,738.62

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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.