Finding the Fourth Proportional to 929,934.92, 1,283,352.70 and 516,473.32
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Solution
The fourth proportional to 929,934.92, 1,283,352.70 and 516,473.32 is: 712,756.79
Step by Step Solution
- Step 1: Write the proportion equation
929,934.92 : 1,283,352.70 = 516,473.32 : x - Step 2: Convert to fraction form
929,934.92/1,283,352.70 = 516,473.32/x - Step 3: Cross multiply
929,934.92x = 1,283,352.70 × 516,473.32 - Step 4: Simplify right side
929,934.92x = 662,817,429,699.96 - Step 5: Solve for x
x = 662,817,429,699.96/929,934.92 - Step 6: Final answer
x = 712,756.79
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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.