Finding the Fourth Proportional to 961,990.15, 1,326,967.99 and 635,306.17
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Solution
The fourth proportional to 961,990.15, 1,326,967.99 and 635,306.17 is: 876,340.52
Step by Step Solution
- Step 1: Write the proportion equation
961,990.15 : 1,326,967.99 = 635,306.17 : x - Step 2: Convert to fraction form
961,990.15/1,326,967.99 = 635,306.17/x - Step 3: Cross multiply
961,990.15x = 1,326,967.99 × 635,306.17 - Step 4: Simplify right side
961,990.15x = 843,030,951,439.50 - Step 5: Solve for x
x = 843,030,951,439.50/961,990.15 - Step 6: Final answer
x = 876,340.52
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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.