Finding the Fourth Proportional to 929,885.77, 1,283,284.99 and 516,424.44
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Solution
The fourth proportional to 929,885.77, 1,283,284.99 and 516,424.44 is: 712,689.41
Step by Step Solution
- Step 1: Write the proportion equation
929,885.77 : 1,283,284.99 = 516,424.44 : x - Step 2: Convert to fraction form
929,885.77/1,283,284.99 = 516,424.44/x - Step 3: Cross multiply
929,885.77x = 1,283,284.99 × 516,424.44 - Step 4: Simplify right side
929,885.77x = 662,719,737,779.01 - Step 5: Solve for x
x = 662,719,737,779.01/929,885.77 - Step 6: Final answer
x = 712,689.41
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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.