Finding the Fourth Proportional to 808,817.70, 1,214,210.70 and 409,252.80
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Solution
The fourth proportional to 808,817.70, 1,214,210.70 and 409,252.80 is: 614,377.17
Step by Step Solution
- Step 1: Write the proportion equation
808,817.70 : 1,214,210.70 = 409,252.80 : x - Step 2: Convert to fraction form
808,817.70/1,214,210.70 = 409,252.80/x - Step 3: Cross multiply
808,817.70x = 1,214,210.70 × 409,252.80 - Step 4: Simplify right side
808,817.70x = 496,919,128,764.96 - Step 5: Solve for x
x = 496,919,128,764.96/808,817.70 - Step 6: Final answer
x = 614,377.17
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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.