Finding the Fourth Proportional to 977,207.20, 1,465,810.80 and 346,832.80
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Solution
The fourth proportional to 977,207.20, 1,465,810.80 and 346,832.80 is: 520,249.20
Step by Step Solution
- Step 1: Write the proportion equation
977,207.20 : 1,465,810.80 = 346,832.80 : x - Step 2: Convert to fraction form
977,207.20/1,465,810.80 = 346,832.80/x - Step 3: Cross multiply
977,207.20x = 1,465,810.80 × 346,832.80 - Step 4: Simplify right side
977,207.20x = 508,391,264,034.24 - Step 5: Solve for x
x = 508,391,264,034.24/977,207.20 - Step 6: Final answer
x = 520,249.20
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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.