Finding the Fourth Proportional to 800,811.60, 1,104,639.60 and 528,879.96
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Solution
The fourth proportional to 800,811.60, 1,104,639.60 and 528,879.96 is: 729,537.07
Step by Step Solution
- Step 1: Write the proportion equation
800,811.60 : 1,104,639.60 = 528,879.96 : x - Step 2: Convert to fraction form
800,811.60/1,104,639.60 = 528,879.96/x - Step 3: Cross multiply
800,811.60x = 1,104,639.60 × 528,879.96 - Step 4: Simplify right side
800,811.60x = 584,221,747,462.42 - Step 5: Solve for x
x = 584,221,747,462.42/800,811.60 - Step 6: Final answer
x = 729,537.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.