Home / 999,114.80-1,498,672.20-325,259.60

Finding the Fourth Proportional to 999,114.80, 1,498,672.20 and 325,259.60

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Solution

The fourth proportional to 999,114.80, 1,498,672.20 and 325,259.60 is: 487,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,114.80 : 1,498,672.20 = 325,259.60 : x
  2. Step 2: Convert to fraction form
    999,114.80/1,498,672.20 = 325,259.60/x
  3. Step 3: Cross multiply
    999,114.80x = 1,498,672.20 × 325,259.60
  4. Step 4: Simplify right side
    999,114.80x = 487,457,520,303.12
  5. Step 5: Solve for x
    x = 487,457,520,303.12/999,114.80
  6. Step 6: Final answer
    x = 487,889.40

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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.