Finding the Fourth Proportional to 918,589.69, 1,267,652.04 and 510,729.19
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Solution
The fourth proportional to 918,589.69, 1,267,652.04 and 510,729.19 is: 704,805.32
Step by Step Solution
- Step 1: Write the proportion equation
918,589.69 : 1,267,652.04 = 510,729.19 : x - Step 2: Convert to fraction form
918,589.69/1,267,652.04 = 510,729.19/x - Step 3: Cross multiply
918,589.69x = 1,267,652.04 × 510,729.19 - Step 4: Simplify right side
918,589.69x = 647,426,899,591.05 - Step 5: Solve for x
x = 647,426,899,591.05/918,589.69 - Step 6: Final answer
x = 704,805.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.