Finding the Fourth Proportional to 506,756.71, 699,276.64 and 343,080.26
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Solution
The fourth proportional to 506,756.71, 699,276.64 and 343,080.26 is: 473,418.52
Step by Step Solution
- Step 1: Write the proportion equation
506,756.71 : 699,276.64 = 343,080.26 : x - Step 2: Convert to fraction form
506,756.71/699,276.64 = 343,080.26/x - Step 3: Cross multiply
506,756.71x = 699,276.64 × 343,080.26 - Step 4: Simplify right side
506,756.71x = 239,908,011,463.13 - Step 5: Solve for x
x = 239,908,011,463.13/506,756.71 - Step 6: Final answer
x = 473,418.52
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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.