Finding the Fourth Proportional to 842,483.84, 1,162,627.62 and 460,512.14
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Solution
The fourth proportional to 842,483.84, 1,162,627.62 and 460,512.14 is: 635,506.71
Step by Step Solution
- Step 1: Write the proportion equation
842,483.84 : 1,162,627.62 = 460,512.14 : x - Step 2: Convert to fraction form
842,483.84/1,162,627.62 = 460,512.14/x - Step 3: Cross multiply
842,483.84x = 1,162,627.62 × 460,512.14 - Step 4: Simplify right side
842,483.84x = 535,404,133,309.31 - Step 5: Solve for x
x = 535,404,133,309.31/842,483.84 - Step 6: Final answer
x = 635,506.71
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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.