Home / 990,718.02-1,485,608.65-383,790.60

Finding the Fourth Proportional to 990,718.02, 1,485,608.65 and 383,790.60

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Solution

The fourth proportional to 990,718.02, 1,485,608.65 and 383,790.60 is: 575,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,718.02 : 1,485,608.65 = 383,790.60 : x
  2. Step 2: Convert to fraction form
    990,718.02/1,485,608.65 = 383,790.60/x
  3. Step 3: Cross multiply
    990,718.02x = 1,485,608.65 × 383,790.60
  4. Step 4: Simplify right side
    990,718.02x = 570,162,634,189.21
  5. Step 5: Solve for x
    x = 570,162,634,189.21/990,718.02
  6. Step 6: Final answer
    x = 575,504.46

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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.