Finding the Fourth Proportional to 687,206.84, 1,030,557.54 and 237,812.36
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Solution
The fourth proportional to 687,206.84, 1,030,557.54 and 237,812.36 is: 356,631.08
Step by Step Solution
- Step 1: Write the proportion equation
687,206.84 : 1,030,557.54 = 237,812.36 : x - Step 2: Convert to fraction form
687,206.84/1,030,557.54 = 237,812.36/x - Step 3: Cross multiply
687,206.84x = 1,030,557.54 × 237,812.36 - Step 4: Simplify right side
687,206.84x = 245,079,320,703.19 - Step 5: Solve for x
x = 245,079,320,703.19/687,206.84 - Step 6: Final answer
x = 356,631.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.