Finding the Fourth Proportional to 831,000.87, 1,245,417.93 and 375,252.75
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Solution
The fourth proportional to 831,000.87, 1,245,417.93 and 375,252.75 is: 562,389.91
Step by Step Solution
- Step 1: Write the proportion equation
831,000.87 : 1,245,417.93 = 375,252.75 : x - Step 2: Convert to fraction form
831,000.87/1,245,417.93 = 375,252.75/x - Step 3: Cross multiply
831,000.87x = 1,245,417.93 × 375,252.75 - Step 4: Simplify right side
831,000.87x = 467,346,503,131.81 - Step 5: Solve for x
x = 467,346,503,131.81/831,000.87 - Step 6: Final answer
x = 562,389.91
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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.