Finding the Fourth Proportional to 977,209.20, 1,465,813.80 and 941,779.80
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Solution
The fourth proportional to 977,209.20, 1,465,813.80 and 941,779.80 is: 1,412,669.70
Step by Step Solution
- Step 1: Write the proportion equation
977,209.20 : 1,465,813.80 = 941,779.80 : x - Step 2: Convert to fraction form
977,209.20/1,465,813.80 = 941,779.80/x - Step 3: Cross multiply
977,209.20x = 1,465,813.80 × 941,779.80 - Step 4: Simplify right side
977,209.20x = 1,380,473,827,401.24 - Step 5: Solve for x
x = 1,380,473,827,401.24/977,209.20 - Step 6: Final answer
x = 1,412,669.70
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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.