Finding the Fourth Proportional to 791,560.56, 1,092,357.36 and 428,985.12
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Solution
The fourth proportional to 791,560.56, 1,092,357.36 and 428,985.12 is: 592,001.52
Step by Step Solution
- Step 1: Write the proportion equation
791,560.56 : 1,092,357.36 = 428,985.12 : x - Step 2: Convert to fraction form
791,560.56/1,092,357.36 = 428,985.12/x - Step 3: Cross multiply
791,560.56x = 1,092,357.36 × 428,985.12 - Step 4: Simplify right side
791,560.56x = 468,605,053,162.48 - Step 5: Solve for x
x = 468,605,053,162.48/791,560.56 - Step 6: Final answer
x = 592,001.52
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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.