Home / 899,080.36-1,349,284.20-425,764.96

Finding the Fourth Proportional to 899,080.36, 1,349,284.20 and 425,764.96

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Solution

The fourth proportional to 899,080.36, 1,349,284.20 and 425,764.96 is: 638,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,080.36 : 1,349,284.20 = 425,764.96 : x
  2. Step 2: Convert to fraction form
    899,080.36/1,349,284.20 = 425,764.96/x
  3. Step 3: Cross multiply
    899,080.36x = 1,349,284.20 × 425,764.96
  4. Step 4: Simplify right side
    899,080.36x = 574,477,933,441.63
  5. Step 5: Solve for x
    x = 574,477,933,441.63/899,080.36
  6. Step 6: Final answer
    x = 638,961.72

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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.