Finding the Fourth Proportional to 929,599.98, 1,282,873.42 and 521,727.12
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Solution
The fourth proportional to 929,599.98, 1,282,873.42 and 521,727.12 is: 719,997.71
Step by Step Solution
- Step 1: Write the proportion equation
929,599.98 : 1,282,873.42 = 521,727.12 : x - Step 2: Convert to fraction form
929,599.98/1,282,873.42 = 521,727.12/x - Step 3: Cross multiply
929,599.98x = 1,282,873.42 × 521,727.12 - Step 4: Simplify right side
929,599.98x = 669,309,854,741.15 - Step 5: Solve for x
x = 669,309,854,741.15/929,599.98 - Step 6: Final answer
x = 719,997.71
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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.