Finding the Fourth Proportional to 834,929.76, 1,151,442.72 and 706,138.08
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Solution
The fourth proportional to 834,929.76, 1,151,442.72 and 706,138.08 is: 973,827.49
Step by Step Solution
- Step 1: Write the proportion equation
834,929.76 : 1,151,442.72 = 706,138.08 : x - Step 2: Convert to fraction form
834,929.76/1,151,442.72 = 706,138.08/x - Step 3: Cross multiply
834,929.76x = 1,151,442.72 × 706,138.08 - Step 4: Simplify right side
834,929.76x = 813,077,551,530.78 - Step 5: Solve for x
x = 813,077,551,530.78/834,929.76 - Step 6: Final answer
x = 973,827.49
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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.