Finding the Fourth Proportional to 484,827.40, 727,241.10 and 316,865.80
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Solution
The fourth proportional to 484,827.40, 727,241.10 and 316,865.80 is: 475,298.70
Step by Step Solution
- Step 1: Write the proportion equation
484,827.40 : 727,241.10 = 316,865.80 : x - Step 2: Convert to fraction form
484,827.40/727,241.10 = 316,865.80/x - Step 3: Cross multiply
484,827.40x = 727,241.10 × 316,865.80 - Step 4: Simplify right side
484,827.40x = 230,437,832,944.38 - Step 5: Solve for x
x = 230,437,832,944.38/484,827.40 - Step 6: Final answer
x = 475,298.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.