Finding the Fourth Proportional to 961,176.46, 1,326,369.99 and 531,430.78
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Solution
The fourth proportional to 961,176.46, 1,326,369.99 and 531,430.78 is: 733,344.88
Step by Step Solution
- Step 1: Write the proportion equation
961,176.46 : 1,326,369.99 = 531,430.78 : x - Step 2: Convert to fraction form
961,176.46/1,326,369.99 = 531,430.78/x - Step 3: Cross multiply
961,176.46x = 1,326,369.99 × 531,430.78 - Step 4: Simplify right side
961,176.46x = 704,873,838,354.29 - Step 5: Solve for x
x = 704,873,838,354.29/961,176.46 - Step 6: Final answer
x = 733,344.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.