Finding the Fourth Proportional to 516,574.05, 712,885.38 and 283,998.15
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Solution
The fourth proportional to 516,574.05, 712,885.38 and 283,998.15 is: 391,924.70
Step by Step Solution
- Step 1: Write the proportion equation
516,574.05 : 712,885.38 = 283,998.15 : x - Step 2: Convert to fraction form
516,574.05/712,885.38 = 283,998.15/x - Step 3: Cross multiply
516,574.05x = 712,885.38 × 283,998.15 - Step 4: Simplify right side
516,574.05x = 202,458,129,082.05 - Step 5: Solve for x
x = 202,458,129,082.05/516,574.05 - Step 6: Final answer
x = 391,924.70
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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.