Finding the Fourth Proportional to 695,356.18, 959,512.17 and 389,390.02
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Solution
The fourth proportional to 695,356.18, 959,512.17 and 389,390.02 is: 537,313.79
Step by Step Solution
- Step 1: Write the proportion equation
695,356.18 : 959,512.17 = 389,390.02 : x - Step 2: Convert to fraction form
695,356.18/959,512.17 = 389,390.02/x - Step 3: Cross multiply
695,356.18x = 959,512.17 × 389,390.02 - Step 4: Simplify right side
695,356.18x = 373,624,463,066.54 - Step 5: Solve for x
x = 373,624,463,066.54/695,356.18 - Step 6: Final answer
x = 537,313.79
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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.