Finding the Fourth Proportional to 523,318.07, 722,291.49 and 319,325.31
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Solution
The fourth proportional to 523,318.07, 722,291.49 and 319,325.31 is: 440,737.61
Step by Step Solution
- Step 1: Write the proportion equation
523,318.07 : 722,291.49 = 319,325.31 : x - Step 2: Convert to fraction form
523,318.07/722,291.49 = 319,325.31/x - Step 3: Cross multiply
523,318.07x = 722,291.49 × 319,325.31 - Step 4: Simplify right side
523,318.07x = 230,645,953,954.61 - Step 5: Solve for x
x = 230,645,953,954.61/523,318.07 - Step 6: Final answer
x = 440,737.61
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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.