Finding the Fourth Proportional to 708,323.12, 1,062,797.70 and 371,283.18
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Solution
The fourth proportional to 708,323.12, 1,062,797.70 and 371,283.18 is: 557,088.85
Step by Step Solution
- Step 1: Write the proportion equation
708,323.12 : 1,062,797.70 = 371,283.18 : x - Step 2: Convert to fraction form
708,323.12/1,062,797.70 = 371,283.18/x - Step 3: Cross multiply
708,323.12x = 1,062,797.70 × 371,283.18 - Step 4: Simplify right side
708,323.12x = 394,598,909,752.69 - Step 5: Solve for x
x = 394,598,909,752.69/708,323.12 - Step 6: Final answer
x = 557,088.85
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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.