Finding the Fourth Proportional to 589,334.56, 813,068.36 and 385,501.84
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Solution
The fourth proportional to 589,334.56, 813,068.36 and 385,501.84 is: 531,852.99
Step by Step Solution
- Step 1: Write the proportion equation
589,334.56 : 813,068.36 = 385,501.84 : x - Step 2: Convert to fraction form
589,334.56/813,068.36 = 385,501.84/x - Step 3: Cross multiply
589,334.56x = 813,068.36 × 385,501.84 - Step 4: Simplify right side
589,334.56x = 313,439,348,825.78 - Step 5: Solve for x
x = 313,439,348,825.78/589,334.56 - Step 6: Final answer
x = 531,852.99
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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.