Finding the Fourth Proportional to 539,283.63, 808,295.67 and 405,734.88
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Solution
The fourth proportional to 539,283.63, 808,295.67 and 405,734.88 is: 608,128.50
Step by Step Solution
- Step 1: Write the proportion equation
539,283.63 : 808,295.67 = 405,734.88 : x - Step 2: Convert to fraction form
539,283.63/808,295.67 = 405,734.88/x - Step 3: Cross multiply
539,283.63x = 808,295.67 × 405,734.88 - Step 4: Simplify right side
539,283.63x = 327,953,746,671.97 - Step 5: Solve for x
x = 327,953,746,671.97/539,283.63 - Step 6: Final answer
x = 608,128.50
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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.