Finding the Fourth Proportional to 966,071.70, 1,449,107.55 and 717,239.70
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Solution
The fourth proportional to 966,071.70, 1,449,107.55 and 717,239.70 is: 1,075,859.55
Step by Step Solution
- Step 1: Write the proportion equation
966,071.70 : 1,449,107.55 = 717,239.70 : x - Step 2: Convert to fraction form
966,071.70/1,449,107.55 = 717,239.70/x - Step 3: Cross multiply
966,071.70x = 1,449,107.55 × 717,239.70 - Step 4: Simplify right side
966,071.70x = 1,039,357,464,429.74 - Step 5: Solve for x
x = 1,039,357,464,429.74/966,071.70 - Step 6: Final answer
x = 1,075,859.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.