Home / 803,489.58-1,108,812.60-440,919.54

Finding the Fourth Proportional to 803,489.58, 1,108,812.60 and 440,919.54

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Solution

The fourth proportional to 803,489.58, 1,108,812.60 and 440,919.54 is: 608,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,489.58 : 1,108,812.60 = 440,919.54 : x
  2. Step 2: Convert to fraction form
    803,489.58/1,108,812.60 = 440,919.54/x
  3. Step 3: Cross multiply
    803,489.58x = 1,108,812.60 × 440,919.54
  4. Step 4: Simplify right side
    803,489.58x = 488,897,141,538.20
  5. Step 5: Solve for x
    x = 488,897,141,538.20/803,489.58
  6. Step 6: Final answer
    x = 608,467.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.