Finding the Fourth Proportional to 778,292.28, 1,167,888.60 and 328,984.08
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Solution
The fourth proportional to 778,292.28, 1,167,888.60 and 328,984.08 is: 493,666.41
Step by Step Solution
- Step 1: Write the proportion equation
778,292.28 : 1,167,888.60 = 328,984.08 : x - Step 2: Convert to fraction form
778,292.28/1,167,888.60 = 328,984.08/x - Step 3: Cross multiply
778,292.28x = 1,167,888.60 × 328,984.08 - Step 4: Simplify right side
778,292.28x = 384,216,756,613.49 - Step 5: Solve for x
x = 384,216,756,613.49/778,292.28 - Step 6: Final answer
x = 493,666.41
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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.