Finding the Fourth Proportional to 939,756.84, 1,296,274.58 and 557,513
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Solution
The fourth proportional to 939,756.84, 1,296,274.58 and 557,513 is: 769,018.00
Step by Step Solution
- Step 1: Write the proportion equation
939,756.84 : 1,296,274.58 = 557,513 : x - Step 2: Convert to fraction form
939,756.84/1,296,274.58 = 557,513/x - Step 3: Cross multiply
939,756.84x = 1,296,274.58 × 557,513 - Step 4: Simplify right side
939,756.84x = 722,689,929,919.54 - Step 5: Solve for x
x = 722,689,929,919.54/939,756.84 - Step 6: Final answer
x = 769,018.00
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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.