Finding the Fourth Proportional to 688,565.40, 950,194.98 and 382,660.80
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Solution
The fourth proportional to 688,565.40, 950,194.98 and 382,660.80 is: 528,057.86
Step by Step Solution
- Step 1: Write the proportion equation
688,565.40 : 950,194.98 = 382,660.80 : x - Step 2: Convert to fraction form
688,565.40/950,194.98 = 382,660.80/x - Step 3: Cross multiply
688,565.40x = 950,194.98 × 382,660.80 - Step 4: Simplify right side
688,565.40x = 363,602,371,202.78 - Step 5: Solve for x
x = 363,602,371,202.78/688,565.40 - Step 6: Final answer
x = 528,057.86
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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.