Finding the Fourth Proportional to 675,931.18, 932,721.24 and 403,944.93
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Solution
The fourth proportional to 675,931.18, 932,721.24 and 403,944.93 is: 557,405.88
Step by Step Solution
- Step 1: Write the proportion equation
675,931.18 : 932,721.24 = 403,944.93 : x - Step 2: Convert to fraction form
675,931.18/932,721.24 = 403,944.93/x - Step 3: Cross multiply
675,931.18x = 932,721.24 × 403,944.93 - Step 4: Simplify right side
675,931.18x = 376,768,016,001.31 - Step 5: Solve for x
x = 376,768,016,001.31/675,931.18 - Step 6: Final answer
x = 557,405.88
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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.