Home / 803,491.58-1,108,815.36-440,921.54

Finding the Fourth Proportional to 803,491.58, 1,108,815.36 and 440,921.54

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Solution

The fourth proportional to 803,491.58, 1,108,815.36 and 440,921.54 is: 608,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,491.58 : 1,108,815.36 = 440,921.54 : x
  2. Step 2: Convert to fraction form
    803,491.58/1,108,815.36 = 440,921.54/x
  3. Step 3: Cross multiply
    803,491.58x = 1,108,815.36 × 440,921.54
  4. Step 4: Simplify right side
    803,491.58x = 488,900,576,106.85
  5. Step 5: Solve for x
    x = 488,900,576,106.85/803,491.58
  6. Step 6: Final answer
    x = 608,470.07

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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.