Finding the Fourth Proportional to 584,815.75, 807,048.17 and 316,543.75
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Solution
The fourth proportional to 584,815.75, 807,048.17 and 316,543.75 is: 436,831.69
Step by Step Solution
- Step 1: Write the proportion equation
584,815.75 : 807,048.17 = 316,543.75 : x - Step 2: Convert to fraction form
584,815.75/807,048.17 = 316,543.75/x - Step 3: Cross multiply
584,815.75x = 807,048.17 × 316,543.75 - Step 4: Simplify right side
584,815.75x = 255,466,054,162.44 - Step 5: Solve for x
x = 255,466,054,162.44/584,815.75 - Step 6: Final answer
x = 436,831.69
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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.