Finding the Fourth Proportional to 879,595.19, 1,213,833.16 and 497,621.97
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Solution
The fourth proportional to 879,595.19, 1,213,833.16 and 497,621.97 is: 686,713.68
Step by Step Solution
- Step 1: Write the proportion equation
879,595.19 : 1,213,833.16 = 497,621.97 : x - Step 2: Convert to fraction form
879,595.19/1,213,833.16 = 497,621.97/x - Step 3: Cross multiply
879,595.19x = 1,213,833.16 × 497,621.97 - Step 4: Simplify right side
879,595.19x = 604,030,048,330.53 - Step 5: Solve for x
x = 604,030,048,330.53/879,595.19 - Step 6: Final answer
x = 686,713.68
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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.