Finding the Fourth Proportional to 546,340.74, 753,911.73 and 304,612.98
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Solution
The fourth proportional to 546,340.74, 753,911.73 and 304,612.98 is: 420,344.45
Step by Step Solution
- Step 1: Write the proportion equation
546,340.74 : 753,911.73 = 304,612.98 : x - Step 2: Convert to fraction form
546,340.74/753,911.73 = 304,612.98/x - Step 3: Cross multiply
546,340.74x = 753,911.73 × 304,612.98 - Step 4: Simplify right side
546,340.74x = 229,651,298,732.26 - Step 5: Solve for x
x = 229,651,298,732.26/546,340.74 - Step 6: Final answer
x = 420,344.45
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1.5x scale
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.