Finding the Fourth Proportional to 660,090.54, 910,927.90 and 373,665.99
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Solution
The fourth proportional to 660,090.54, 910,927.90 and 373,665.99 is: 515,660.74
Step by Step Solution
- Step 1: Write the proportion equation
660,090.54 : 910,927.90 = 373,665.99 : x - Step 2: Convert to fraction form
660,090.54/910,927.90 = 373,665.99/x - Step 3: Cross multiply
660,090.54x = 910,927.90 × 373,665.99 - Step 4: Simplify right side
660,090.54x = 340,382,775,572.12 - Step 5: Solve for x
x = 340,382,775,572.12/660,090.54 - Step 6: Final answer
x = 515,660.74
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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.