Finding the Fourth Proportional to 695,383.18, 959,549.42 and 389,417.02
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Solution
The fourth proportional to 695,383.18, 959,549.42 and 389,417.02 is: 537,351.04
Step by Step Solution
- Step 1: Write the proportion equation
695,383.18 : 959,549.42 = 389,417.02 : x - Step 2: Convert to fraction form
695,383.18/959,549.42 = 389,417.02/x - Step 3: Cross multiply
695,383.18x = 959,549.42 × 389,417.02 - Step 4: Simplify right side
695,383.18x = 373,664,875,679.13 - Step 5: Solve for x
x = 373,664,875,679.13/695,383.18 - Step 6: Final answer
x = 537,351.04
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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.