Finding the Fourth Proportional to 853,210.08, 1,177,329.20 and 471,214.08
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Solution
The fourth proportional to 853,210.08, 1,177,329.20 and 471,214.08 is: 650,219.81
Step by Step Solution
- Step 1: Write the proportion equation
853,210.08 : 1,177,329.20 = 471,214.08 : x - Step 2: Convert to fraction form
853,210.08/1,177,329.20 = 471,214.08/x - Step 3: Cross multiply
853,210.08x = 1,177,329.20 × 471,214.08 - Step 4: Simplify right side
853,210.08x = 554,774,093,479.07 - Step 5: Solve for x
x = 554,774,093,479.07/853,210.08 - Step 6: Final answer
x = 650,219.81
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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.