Finding the Fourth Proportional to 917,725.24, 1,266,477.44 and 515,331.64
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Solution
The fourth proportional to 917,725.24, 1,266,477.44 and 515,331.64 is: 711,166.99
Step by Step Solution
- Step 1: Write the proportion equation
917,725.24 : 1,266,477.44 = 515,331.64 : x - Step 2: Convert to fraction form
917,725.24/1,266,477.44 = 515,331.64/x - Step 3: Cross multiply
917,725.24x = 1,266,477.44 × 515,331.64 - Step 4: Simplify right side
917,725.24x = 652,655,896,178.20 - Step 5: Solve for x
x = 652,655,896,178.20/917,725.24 - Step 6: Final answer
x = 711,166.99
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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.