Finding the Fourth Proportional to 908,948.52, 1,254,357.55 and 501,064.99
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Solution
The fourth proportional to 908,948.52, 1,254,357.55 and 501,064.99 is: 691,474.42
Step by Step Solution
- Step 1: Write the proportion equation
908,948.52 : 1,254,357.55 = 501,064.99 : x - Step 2: Convert to fraction form
908,948.52/1,254,357.55 = 501,064.99/x - Step 3: Cross multiply
908,948.52x = 1,254,357.55 × 501,064.99 - Step 4: Simplify right side
908,948.52x = 628,514,653,247.18 - Step 5: Solve for x
x = 628,514,653,247.18/908,948.52 - Step 6: Final answer
x = 691,474.42
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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.