Home / 990,315.44-1,485,573.83-341,807.23

Finding the Fourth Proportional to 990,315.44, 1,485,573.83 and 341,807.23

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Solution

The fourth proportional to 990,315.44, 1,485,573.83 and 341,807.23 is: 512,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,315.44 : 1,485,573.83 = 341,807.23 : x
  2. Step 2: Convert to fraction form
    990,315.44/1,485,573.83 = 341,807.23/x
  3. Step 3: Cross multiply
    990,315.44x = 1,485,573.83 × 341,807.23
  4. Step 4: Simplify right side
    990,315.44x = 507,779,866,655.89
  5. Step 5: Solve for x
    x = 507,779,866,655.89/990,315.44
  6. Step 6: Final answer
    x = 512,745.58

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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.