Finding the Fourth Proportional to 977,135.40, 1,465,703.10 and 658,270.80
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Solution
The fourth proportional to 977,135.40, 1,465,703.10 and 658,270.80 is: 987,406.20
Step by Step Solution
- Step 1: Write the proportion equation
977,135.40 : 1,465,703.10 = 658,270.80 : x - Step 2: Convert to fraction form
977,135.40/1,465,703.10 = 658,270.80/x - Step 3: Cross multiply
977,135.40x = 1,465,703.10 × 658,270.80 - Step 4: Simplify right side
977,135.40x = 964,829,552,199.48 - Step 5: Solve for x
x = 964,829,552,199.48/977,135.40 - Step 6: Final answer
x = 987,406.20
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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.