Finding the Fourth Proportional to 985,994.52, 1,479,155.34 and 346,132.38
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Solution
The fourth proportional to 985,994.52, 1,479,155.34 and 346,132.38 is: 519,255.99
Step by Step Solution
- Step 1: Write the proportion equation
985,994.52 : 1,479,155.34 = 346,132.38 : x - Step 2: Convert to fraction form
985,994.52/1,479,155.34 = 346,132.38/x - Step 3: Cross multiply
985,994.52x = 1,479,155.34 × 346,132.38 - Step 4: Simplify right side
985,994.52x = 511,983,558,223.91 - Step 5: Solve for x
x = 511,983,558,223.91/985,994.52 - Step 6: Final answer
x = 519,255.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.