Finding the Fourth Proportional to 629,974.08, 944,792.64 and 430,260.48
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Solution
The fourth proportional to 629,974.08, 944,792.64 and 430,260.48 is: 645,275.65
Step by Step Solution
- Step 1: Write the proportion equation
629,974.08 : 944,792.64 = 430,260.48 : x - Step 2: Convert to fraction form
629,974.08/944,792.64 = 430,260.48/x - Step 3: Cross multiply
629,974.08x = 944,792.64 × 430,260.48 - Step 4: Simplify right side
629,974.08x = 406,506,934,786.87 - Step 5: Solve for x
x = 406,506,934,786.87/629,974.08 - Step 6: Final answer
x = 645,275.65
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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.