Finding the Fourth Proportional to 527,965.02, 728,400.80 and 346,775.18
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Solution
The fourth proportional to 527,965.02, 728,400.80 and 346,775.18 is: 478,424.34
Step by Step Solution
- Step 1: Write the proportion equation
527,965.02 : 728,400.80 = 346,775.18 : x - Step 2: Convert to fraction form
527,965.02/728,400.80 = 346,775.18/x - Step 3: Cross multiply
527,965.02x = 728,400.80 × 346,775.18 - Step 4: Simplify right side
527,965.02x = 252,591,315,757.08 - Step 5: Solve for x
x = 252,591,315,757.08/527,965.02 - Step 6: Final answer
x = 478,424.34
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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.