Home / 899,115.20-1,349,061.60-455,883.20

Finding the Fourth Proportional to 899,115.20, 1,349,061.60 and 455,883.20

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Solution

The fourth proportional to 899,115.20, 1,349,061.60 and 455,883.20 is: 684,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,115.20 : 1,349,061.60 = 455,883.20 : x
  2. Step 2: Convert to fraction form
    899,115.20/1,349,061.60 = 455,883.20/x
  3. Step 3: Cross multiply
    899,115.20x = 1,349,061.60 × 455,883.20
  4. Step 4: Simplify right side
    899,115.20x = 615,014,519,205.12
  5. Step 5: Solve for x
    x = 615,014,519,205.12/899,115.20
  6. Step 6: Final answer
    x = 684,021.94

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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.