Finding the Fourth Proportional to 695,972.70, 1,043,959.05 and 518,825.70
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Solution
The fourth proportional to 695,972.70, 1,043,959.05 and 518,825.70 is: 778,238.55
Step by Step Solution
- Step 1: Write the proportion equation
695,972.70 : 1,043,959.05 = 518,825.70 : x - Step 2: Convert to fraction form
695,972.70/1,043,959.05 = 518,825.70/x - Step 3: Cross multiply
695,972.70x = 1,043,959.05 × 518,825.70 - Step 4: Simplify right side
695,972.70x = 541,632,784,887.59 - Step 5: Solve for x
x = 541,632,784,887.59/695,972.70 - Step 6: Final answer
x = 778,238.55
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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.