Finding the Fourth Proportional to 652,283.20, 977,112.60 and 371,472.40
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Solution
The fourth proportional to 652,283.20, 977,112.60 and 371,472.40 is: 556,461.31
Step by Step Solution
- Step 1: Write the proportion equation
652,283.20 : 977,112.60 = 371,472.40 : x - Step 2: Convert to fraction form
652,283.20/977,112.60 = 371,472.40/x - Step 3: Cross multiply
652,283.20x = 977,112.60 × 371,472.40 - Step 4: Simplify right side
652,283.20x = 362,970,362,592.24 - Step 5: Solve for x
x = 362,970,362,592.24/652,283.20 - Step 6: Final answer
x = 556,461.31
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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.