Home / 768,601.44-1,059,807.24-496,311.84

Finding the Fourth Proportional to 768,601.44, 1,059,807.24 and 496,311.84

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Solution

The fourth proportional to 768,601.44, 1,059,807.24 and 496,311.84 is: 684,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,601.44 : 1,059,807.24 = 496,311.84 : x
  2. Step 2: Convert to fraction form
    768,601.44/1,059,807.24 = 496,311.84/x
  3. Step 3: Cross multiply
    768,601.44x = 1,059,807.24 × 496,311.84
  4. Step 4: Simplify right side
    768,601.44x = 525,994,881,329.72
  5. Step 5: Solve for x
    x = 525,994,881,329.72/768,601.44
  6. Step 6: Final answer
    x = 684,353.23

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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.