Home / 772,216.40-1,158,324.60-417,922.40

Finding the Fourth Proportional to 772,216.40, 1,158,324.60 and 417,922.40

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Solution

The fourth proportional to 772,216.40, 1,158,324.60 and 417,922.40 is: 626,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,216.40 : 1,158,324.60 = 417,922.40 : x
  2. Step 2: Convert to fraction form
    772,216.40/1,158,324.60 = 417,922.40/x
  3. Step 3: Cross multiply
    772,216.40x = 1,158,324.60 × 417,922.40
  4. Step 4: Simplify right side
    772,216.40x = 484,089,796,811.04
  5. Step 5: Solve for x
    x = 484,089,796,811.04/772,216.40
  6. Step 6: Final answer
    x = 626,883.60

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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.