Home / 990,552.78-1,485,832.80-242,598.78

Finding the Fourth Proportional to 990,552.78, 1,485,832.80 and 242,598.78

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Solution

The fourth proportional to 990,552.78, 1,485,832.80 and 242,598.78 is: 363,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,552.78 : 1,485,832.80 = 242,598.78 : x
  2. Step 2: Convert to fraction form
    990,552.78/1,485,832.80 = 242,598.78/x
  3. Step 3: Cross multiply
    990,552.78x = 1,485,832.80 × 242,598.78
  4. Step 4: Simplify right side
    990,552.78x = 360,461,224,563.98
  5. Step 5: Solve for x
    x = 360,461,224,563.98/990,552.78
  6. Step 6: Final answer
    x = 363,899.06

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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.