Finding the Fourth Proportional to 679,425.98, 1,019,135.30 and 173,985.98
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Solution
The fourth proportional to 679,425.98, 1,019,135.30 and 173,985.98 is: 260,978.03
Step by Step Solution
- Step 1: Write the proportion equation
679,425.98 : 1,019,135.30 = 173,985.98 : x - Step 2: Convert to fraction form
679,425.98/1,019,135.30 = 173,985.98/x - Step 3: Cross multiply
679,425.98x = 1,019,135.30 × 173,985.98 - Step 4: Simplify right side
679,425.98x = 177,315,249,262.38 - Step 5: Solve for x
x = 177,315,249,262.38/679,425.98 - Step 6: Final answer
x = 260,978.03
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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.