Finding the Fourth Proportional to 610,518.43, 842,565.88 and 338,673.99
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Solution
The fourth proportional to 610,518.43, 842,565.88 and 338,673.99 is: 467,398.10
Step by Step Solution
- Step 1: Write the proportion equation
610,518.43 : 842,565.88 = 338,673.99 : x - Step 2: Convert to fraction form
610,518.43/842,565.88 = 338,673.99/x - Step 3: Cross multiply
610,518.43x = 842,565.88 × 338,673.99 - Step 4: Simplify right side
610,518.43x = 285,355,152,000.43 - Step 5: Solve for x
x = 285,355,152,000.43/610,518.43 - Step 6: Final answer
x = 467,398.10
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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.