Finding the Fourth Proportional to 708,283.23, 977,402.36 and 385,986.45
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Solution
The fourth proportional to 708,283.23, 977,402.36 and 385,986.45 is: 532,645.77
Step by Step Solution
- Step 1: Write the proportion equation
708,283.23 : 977,402.36 = 385,986.45 : x - Step 2: Convert to fraction form
708,283.23/977,402.36 = 385,986.45/x - Step 3: Cross multiply
708,283.23x = 977,402.36 × 385,986.45 - Step 4: Simplify right side
708,283.23x = 377,264,067,158.02 - Step 5: Solve for x
x = 377,264,067,158.02/708,283.23 - Step 6: Final answer
x = 532,645.77
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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.