Finding the Fourth Proportional to 732,649.68, 1,011,066.66 and 477,854.64
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Solution
The fourth proportional to 732,649.68, 1,011,066.66 and 477,854.64 is: 659,445.99
Step by Step Solution
- Step 1: Write the proportion equation
732,649.68 : 1,011,066.66 = 477,854.64 : x - Step 2: Convert to fraction form
732,649.68/1,011,066.66 = 477,854.64/x - Step 3: Cross multiply
732,649.68x = 1,011,066.66 × 477,854.64 - Step 4: Simplify right side
732,649.68x = 483,142,894,830.30 - Step 5: Solve for x
x = 483,142,894,830.30/732,649.68 - Step 6: Final answer
x = 659,445.99
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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.