Finding the Fourth Proportional to 707,331.08, 1,060,891.98 and 257,946.44
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Solution
The fourth proportional to 707,331.08, 1,060,891.98 and 257,946.44 is: 386,881.50
Step by Step Solution
- Step 1: Write the proportion equation
707,331.08 : 1,060,891.98 = 257,946.44 : x - Step 2: Convert to fraction form
707,331.08/1,060,891.98 = 257,946.44/x - Step 3: Cross multiply
707,331.08x = 1,060,891.98 × 257,946.44 - Step 4: Simplify right side
707,331.08x = 273,653,309,465.55 - Step 5: Solve for x
x = 273,653,309,465.55/707,331.08 - Step 6: Final answer
x = 386,881.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.