Finding the Fourth Proportional to 592,397.49, 817,506.06 and 320,464.70
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Solution
The fourth proportional to 592,397.49, 817,506.06 and 320,464.70 is: 442,239.95
Step by Step Solution
- Step 1: Write the proportion equation
592,397.49 : 817,506.06 = 320,464.70 : x - Step 2: Convert to fraction form
592,397.49/817,506.06 = 320,464.70/x - Step 3: Cross multiply
592,397.49x = 817,506.06 × 320,464.70 - Step 4: Simplify right side
592,397.49x = 261,981,834,266.08 - Step 5: Solve for x
x = 261,981,834,266.08/592,397.49 - Step 6: Final answer
x = 442,239.95
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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.