Finding the Fourth Proportional to 589,623.12, 813,427.74 and 385,319.46
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Solution
The fourth proportional to 589,623.12, 813,427.74 and 385,319.46 is: 531,576.06
Step by Step Solution
- Step 1: Write the proportion equation
589,623.12 : 813,427.74 = 385,319.46 : x - Step 2: Convert to fraction form
589,623.12/813,427.74 = 385,319.46/x - Step 3: Cross multiply
589,623.12x = 813,427.74 × 385,319.46 - Step 4: Simplify right side
589,623.12x = 313,429,537,525.82 - Step 5: Solve for x
x = 313,429,537,525.82/589,623.12 - Step 6: Final answer
x = 531,576.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.