Finding the Fourth Proportional to 988,005.94, 1,363,449.99 and 535,296.94
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Solution
The fourth proportional to 988,005.94, 1,363,449.99 and 535,296.94 is: 738,710.75
Step by Step Solution
- Step 1: Write the proportion equation
988,005.94 : 1,363,449.99 = 535,296.94 : x - Step 2: Convert to fraction form
988,005.94/1,363,449.99 = 535,296.94/x - Step 3: Cross multiply
988,005.94x = 1,363,449.99 × 535,296.94 - Step 4: Simplify right side
988,005.94x = 729,850,607,490.03 - Step 5: Solve for x
x = 729,850,607,490.03/988,005.94 - Step 6: Final answer
x = 738,710.75
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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.