Finding the Fourth Proportional to 509,387.22, 702,923.49 and 283,024.98
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Solution
The fourth proportional to 509,387.22, 702,923.49 and 283,024.98 is: 390,557.32
Step by Step Solution
- Step 1: Write the proportion equation
509,387.22 : 702,923.49 = 283,024.98 : x - Step 2: Convert to fraction form
509,387.22/702,923.49 = 283,024.98/x - Step 3: Cross multiply
509,387.22x = 702,923.49 × 283,024.98 - Step 4: Simplify right side
509,387.22x = 198,944,906,698.78 - Step 5: Solve for x
x = 198,944,906,698.78/509,387.22 - Step 6: Final answer
x = 390,557.32
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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.