Finding the Fourth Proportional to 809,651.19, 1,117,417.16 and 470,119.44
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Solution
The fourth proportional to 809,651.19, 1,117,417.16 and 470,119.44 is: 648,822.03
Step by Step Solution
- Step 1: Write the proportion equation
809,651.19 : 1,117,417.16 = 470,119.44 : x - Step 2: Convert to fraction form
809,651.19/1,117,417.16 = 470,119.44/x - Step 3: Cross multiply
809,651.19x = 1,117,417.16 × 470,119.44 - Step 4: Simplify right side
809,651.19x = 525,319,527,154.99 - Step 5: Solve for x
x = 525,319,527,154.99/809,651.19 - Step 6: Final answer
x = 648,822.03
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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.