Finding the Fourth Proportional to 562,235.40, 775,891.98 and 307,590.84
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Solution
The fourth proportional to 562,235.40, 775,891.98 and 307,590.84 is: 424,479.26
Step by Step Solution
- Step 1: Write the proportion equation
562,235.40 : 775,891.98 = 307,590.84 : x - Step 2: Convert to fraction form
562,235.40/775,891.98 = 307,590.84/x - Step 3: Cross multiply
562,235.40x = 775,891.98 × 307,590.84 - Step 4: Simplify right side
562,235.40x = 238,657,265,877.46 - Step 5: Solve for x
x = 238,657,265,877.46/562,235.40 - Step 6: Final answer
x = 424,479.26
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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.