Finding the Fourth Proportional to 831,306.08, 1,247,840.64 and 675,416.48
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Solution
The fourth proportional to 831,306.08, 1,247,840.64 and 675,416.48 is: 1,013,840.93
Step by Step Solution
- Step 1: Write the proportion equation
831,306.08 : 1,247,840.64 = 675,416.48 : x - Step 2: Convert to fraction form
831,306.08/1,247,840.64 = 675,416.48/x - Step 3: Cross multiply
831,306.08x = 1,247,840.64 × 675,416.48 - Step 4: Simplify right side
831,306.08x = 842,812,132,669.75 - Step 5: Solve for x
x = 842,812,132,669.75/831,306.08 - Step 6: Final answer
x = 1,013,840.93
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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.