Finding the Fourth Proportional to 763,135.40, 1,053,176.64 and 440,859.08
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Solution
The fourth proportional to 763,135.40, 1,053,176.64 and 440,859.08 is: 608,414.29
Step by Step Solution
- Step 1: Write the proportion equation
763,135.40 : 1,053,176.64 = 440,859.08 : x - Step 2: Convert to fraction form
763,135.40/1,053,176.64 = 440,859.08/x - Step 3: Cross multiply
763,135.40x = 1,053,176.64 × 440,859.08 - Step 4: Simplify right side
763,135.40x = 464,302,484,587.89 - Step 5: Solve for x
x = 464,302,484,587.89/763,135.40 - Step 6: Final answer
x = 608,414.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.