Finding the Fourth Proportional to 679,630.42, 1,018,808.97 and 230,036.68
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Solution
The fourth proportional to 679,630.42, 1,018,808.97 and 230,036.68 is: 344,839.53
Step by Step Solution
- Step 1: Write the proportion equation
679,630.42 : 1,018,808.97 = 230,036.68 : x - Step 2: Convert to fraction form
679,630.42/1,018,808.97 = 230,036.68/x - Step 3: Cross multiply
679,630.42x = 1,018,808.97 × 230,036.68 - Step 4: Simplify right side
679,630.42x = 234,363,433,013.02 - Step 5: Solve for x
x = 234,363,433,013.02/679,630.42 - Step 6: Final answer
x = 344,839.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.