Finding the Fourth Proportional to 910,830.70, 1,366,246.05 and 319,854.70
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Solution
The fourth proportional to 910,830.70, 1,366,246.05 and 319,854.70 is: 479,782.05
Step by Step Solution
- Step 1: Write the proportion equation
910,830.70 : 1,366,246.05 = 319,854.70 : x - Step 2: Convert to fraction form
910,830.70/1,366,246.05 = 319,854.70/x - Step 3: Cross multiply
910,830.70x = 1,366,246.05 × 319,854.70 - Step 4: Simplify right side
910,830.70x = 437,000,220,448.94 - Step 5: Solve for x
x = 437,000,220,448.94/910,830.70 - Step 6: Final answer
x = 479,782.05
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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.