Finding the Fourth Proportional to 884,400.93, 1,220,921.91 and 521,934.84
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Solution
The fourth proportional to 884,400.93, 1,220,921.91 and 521,934.84 is: 720,534.84
Step by Step Solution
- Step 1: Write the proportion equation
884,400.93 : 1,220,921.91 = 521,934.84 : x - Step 2: Convert to fraction form
884,400.93/1,220,921.91 = 521,934.84/x - Step 3: Cross multiply
884,400.93x = 1,220,921.91 × 521,934.84 - Step 4: Simplify right side
884,400.93x = 637,241,681,748.34 - Step 5: Solve for x
x = 637,241,681,748.34/884,400.93 - Step 6: Final answer
x = 720,534.84
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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.