Finding the Fourth Proportional to 768,854.52, 1,060,948.62 and 496,930.68
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Solution
The fourth proportional to 768,854.52, 1,060,948.62 and 496,930.68 is: 685,718.70
Step by Step Solution
- Step 1: Write the proportion equation
768,854.52 : 1,060,948.62 = 496,930.68 : x - Step 2: Convert to fraction form
768,854.52/1,060,948.62 = 496,930.68/x - Step 3: Cross multiply
768,854.52x = 1,060,948.62 × 496,930.68 - Step 4: Simplify right side
768,854.52x = 527,217,919,181.66 - Step 5: Solve for x
x = 527,217,919,181.66/768,854.52 - Step 6: Final answer
x = 685,718.70
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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.