Finding the Fourth Proportional to 835,470.16, 1,152,864.68 and 472,830.88
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Solution
The fourth proportional to 835,470.16, 1,152,864.68 and 472,830.88 is: 652,458.99
Step by Step Solution
- Step 1: Write the proportion equation
835,470.16 : 1,152,864.68 = 472,830.88 : x - Step 2: Convert to fraction form
835,470.16/1,152,864.68 = 472,830.88/x - Step 3: Cross multiply
835,470.16x = 1,152,864.68 × 472,830.88 - Step 4: Simplify right side
835,470.16x = 545,110,015,919.00 - Step 5: Solve for x
x = 545,110,015,919.00/835,470.16 - Step 6: Final answer
x = 652,458.99
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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.