Home / 698,959.29-1,047,435.33-299,491.59

Finding the Fourth Proportional to 698,959.29, 1,047,435.33 and 299,491.59

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Solution

The fourth proportional to 698,959.29, 1,047,435.33 and 299,491.59 is: 448,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,959.29 : 1,047,435.33 = 299,491.59 : x
  2. Step 2: Convert to fraction form
    698,959.29/1,047,435.33 = 299,491.59/x
  3. Step 3: Cross multiply
    698,959.29x = 1,047,435.33 × 299,491.59
  4. Step 4: Simplify right side
    698,959.29x = 313,698,072,403.88
  5. Step 5: Solve for x
    x = 313,698,072,403.88/698,959.29
  6. Step 6: Final answer
    x = 448,807.36

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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.