Finding the Fourth Proportional to 879,209.84, 1,317,918 and 346,514.96
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Solution
The fourth proportional to 879,209.84, 1,317,918 and 346,514.96 is: 519,419.01
Step by Step Solution
- Step 1: Write the proportion equation
879,209.84 : 1,317,918 = 346,514.96 : x - Step 2: Convert to fraction form
879,209.84/1,317,918 = 346,514.96/x - Step 3: Cross multiply
879,209.84x = 1,317,918 × 346,514.96 - Step 4: Simplify right side
879,209.84x = 456,678,303,053.28 - Step 5: Solve for x
x = 456,678,303,053.28/879,209.84 - Step 6: Final answer
x = 519,419.01
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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.