Home / 759,435.23-1,139,220.89-219,683.03

Finding the Fourth Proportional to 759,435.23, 1,139,220.89 and 219,683.03

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Solution

The fourth proportional to 759,435.23, 1,139,220.89 and 219,683.03 is: 329,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,435.23 : 1,139,220.89 = 219,683.03 : x
  2. Step 2: Convert to fraction form
    759,435.23/1,139,220.89 = 219,683.03/x
  3. Step 3: Cross multiply
    759,435.23x = 1,139,220.89 × 219,683.03
  4. Step 4: Simplify right side
    759,435.23x = 250,267,490,159.98
  5. Step 5: Solve for x
    x = 250,267,490,159.98/759,435.23
  6. Step 6: Final answer
    x = 329,544.22

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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.