Finding the Fourth Proportional to 671,474.24, 926,601.12 and 369,661.76
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Solution
The fourth proportional to 671,474.24, 926,601.12 and 369,661.76 is: 510,114.88
Step by Step Solution
- Step 1: Write the proportion equation
671,474.24 : 926,601.12 = 369,661.76 : x - Step 2: Convert to fraction form
671,474.24/926,601.12 = 369,661.76/x - Step 3: Cross multiply
671,474.24x = 926,601.12 × 369,661.76 - Step 4: Simplify right side
671,474.24x = 342,529,000,837.17 - Step 5: Solve for x
x = 342,529,000,837.17/671,474.24 - Step 6: Final answer
x = 510,114.88
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1.5x scale
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.