Finding the Fourth Proportional to 763,425.84, 1,053,559.80 and 423,925.68
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Solution
The fourth proportional to 763,425.84, 1,053,559.80 and 423,925.68 is: 585,035.29
Step by Step Solution
- Step 1: Write the proportion equation
763,425.84 : 1,053,559.80 = 423,925.68 : x - Step 2: Convert to fraction form
763,425.84/1,053,559.80 = 423,925.68/x - Step 3: Cross multiply
763,425.84x = 1,053,559.80 × 423,925.68 - Step 4: Simplify right side
763,425.84x = 446,631,054,635.66 - Step 5: Solve for x
x = 446,631,054,635.66/763,425.84 - Step 6: Final answer
x = 585,035.29
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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.