Finding the Fourth Proportional to 658,426.23, 908,702.19 and 371,964.87
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Solution
The fourth proportional to 658,426.23, 908,702.19 and 371,964.87 is: 513,353.32
Step by Step Solution
- Step 1: Write the proportion equation
658,426.23 : 908,702.19 = 371,964.87 : x - Step 2: Convert to fraction form
658,426.23/908,702.19 = 371,964.87/x - Step 3: Cross multiply
658,426.23x = 908,702.19 × 371,964.87 - Step 4: Simplify right side
658,426.23x = 338,005,291,972.07 - Step 5: Solve for x
x = 338,005,291,972.07/658,426.23 - Step 6: Final answer
x = 513,353.32
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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.