Home / 919,659.02-1,379,546.84-288,597.74

Finding the Fourth Proportional to 919,659.02, 1,379,546.84 and 288,597.74

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Solution

The fourth proportional to 919,659.02, 1,379,546.84 and 288,597.74 is: 432,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,659.02 : 1,379,546.84 = 288,597.74 : x
  2. Step 2: Convert to fraction form
    919,659.02/1,379,546.84 = 288,597.74/x
  3. Step 3: Cross multiply
    919,659.02x = 1,379,546.84 × 288,597.74
  4. Step 4: Simplify right side
    919,659.02x = 398,134,094,071.90
  5. Step 5: Solve for x
    x = 398,134,094,071.90/919,659.02
  6. Step 6: Final answer
    x = 432,914.90

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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.