Finding the Fourth Proportional to 958,809.57, 1,437,371.88 and 390,668.42
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Solution
The fourth proportional to 958,809.57, 1,437,371.88 and 390,668.42 is: 585,659.35
Step by Step Solution
- Step 1: Write the proportion equation
958,809.57 : 1,437,371.88 = 390,668.42 : x - Step 2: Convert to fraction form
958,809.57/1,437,371.88 = 390,668.42/x - Step 3: Cross multiply
958,809.57x = 1,437,371.88 × 390,668.42 - Step 4: Simplify right side
958,809.57x = 561,535,794,125.17 - Step 5: Solve for x
x = 561,535,794,125.17/958,809.57 - Step 6: Final answer
x = 585,659.35
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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.