Finding the Fourth Proportional to 698,623.48, 964,202.51 and 392,725.06
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Solution
The fourth proportional to 698,623.48, 964,202.51 and 392,725.06 is: 542,017.98
Step by Step Solution
- Step 1: Write the proportion equation
698,623.48 : 964,202.51 = 392,725.06 : x - Step 2: Convert to fraction form
698,623.48/964,202.51 = 392,725.06/x - Step 3: Cross multiply
698,623.48x = 964,202.51 × 392,725.06 - Step 4: Simplify right side
698,623.48x = 378,666,486,058.67 - Step 5: Solve for x
x = 378,666,486,058.67/698,623.48 - Step 6: Final answer
x = 542,017.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.