Finding the Fourth Proportional to 562,531.80, 776,298.42 and 307,885.08
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Solution
The fourth proportional to 562,531.80, 776,298.42 and 307,885.08 is: 424,883.89
Step by Step Solution
- Step 1: Write the proportion equation
562,531.80 : 776,298.42 = 307,885.08 : x - Step 2: Convert to fraction form
562,531.80/776,298.42 = 307,885.08/x - Step 3: Cross multiply
562,531.80x = 776,298.42 × 307,885.08 - Step 4: Simplify right side
562,531.80x = 239,010,701,145.57 - Step 5: Solve for x
x = 239,010,701,145.57/562,531.80 - Step 6: Final answer
x = 424,883.89
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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.