Finding the Fourth Proportional to 728,202.84, 1,005,276.52 and 564,497.70
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Solution
The fourth proportional to 728,202.84, 1,005,276.52 and 564,497.70 is: 779,283.26
Step by Step Solution
- Step 1: Write the proportion equation
728,202.84 : 1,005,276.52 = 564,497.70 : x - Step 2: Convert to fraction form
728,202.84/1,005,276.52 = 564,497.70/x - Step 3: Cross multiply
728,202.84x = 1,005,276.52 × 564,497.70 - Step 4: Simplify right side
728,202.84x = 567,476,283,404.00 - Step 5: Solve for x
x = 567,476,283,404.00/728,202.84 - Step 6: Final answer
x = 779,283.26
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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.