Finding the Fourth Proportional to 752,937.12, 1,129,626.81 and 303,426.61
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Solution
The fourth proportional to 752,937.12, 1,129,626.81 and 303,426.61 is: 455,229.02
Step by Step Solution
- Step 1: Write the proportion equation
752,937.12 : 1,129,626.81 = 303,426.61 : x - Step 2: Convert to fraction form
752,937.12/1,129,626.81 = 303,426.61/x - Step 3: Cross multiply
752,937.12x = 1,129,626.81 × 303,426.61 - Step 4: Simplify right side
752,937.12x = 342,758,830,699.35 - Step 5: Solve for x
x = 342,758,830,699.35/752,937.12 - Step 6: Final answer
x = 455,229.02
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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.