Home / 999,145.40-1,498,199.70-367,734.20

Finding the Fourth Proportional to 999,145.40, 1,498,199.70 and 367,734.20

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Solution

The fourth proportional to 999,145.40, 1,498,199.70 and 367,734.20 is: 551,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,145.40 : 1,498,199.70 = 367,734.20 : x
  2. Step 2: Convert to fraction form
    999,145.40/1,498,199.70 = 367,734.20/x
  3. Step 3: Cross multiply
    999,145.40x = 1,498,199.70 × 367,734.20
  4. Step 4: Simplify right side
    999,145.40x = 550,939,268,119.74
  5. Step 5: Solve for x
    x = 550,939,268,119.74/999,145.40
  6. Step 6: Final answer
    x = 551,410.50

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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.