Finding the Fourth Proportional to 950,909.91, 1,425,839.99 and 390,338.07
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Solution
The fourth proportional to 950,909.91, 1,425,839.99 and 390,338.07 is: 585,291.65
Step by Step Solution
- Step 1: Write the proportion equation
950,909.91 : 1,425,839.99 = 390,338.07 : x - Step 2: Convert to fraction form
950,909.91/1,425,839.99 = 390,338.07/x - Step 3: Cross multiply
950,909.91x = 1,425,839.99 × 390,338.07 - Step 4: Simplify right side
950,909.91x = 556,559,627,873.73 - Step 5: Solve for x
x = 556,559,627,873.73/950,909.91 - Step 6: Final answer
x = 585,291.65
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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.