Finding the Fourth Proportional to 719,890.80, 993,559.68 and 444,409.08
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Solution
The fourth proportional to 719,890.80, 993,559.68 and 444,409.08 is: 613,352.67
Step by Step Solution
- Step 1: Write the proportion equation
719,890.80 : 993,559.68 = 444,409.08 : x - Step 2: Convert to fraction form
719,890.80/993,559.68 = 444,409.08/x - Step 3: Cross multiply
719,890.80x = 993,559.68 × 444,409.08 - Step 4: Simplify right side
719,890.80x = 441,546,943,313.89 - Step 5: Solve for x
x = 441,546,943,313.89/719,890.80 - Step 6: Final answer
x = 613,352.67
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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.