Finding the Fourth Proportional to 651,651.80, 977,477.70 and 371,715.80
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Solution
The fourth proportional to 651,651.80, 977,477.70 and 371,715.80 is: 557,573.70
Step by Step Solution
- Step 1: Write the proportion equation
651,651.80 : 977,477.70 = 371,715.80 : x - Step 2: Convert to fraction form
651,651.80/977,477.70 = 371,715.80/x - Step 3: Cross multiply
651,651.80x = 977,477.70 × 371,715.80 - Step 4: Simplify right side
651,651.80x = 363,343,905,237.66 - Step 5: Solve for x
x = 363,343,905,237.66/651,651.80 - Step 6: Final answer
x = 557,573.70
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1.5x scale
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.