Finding the Fourth Proportional to 660,020.84, 910,828.68 and 358,214.84
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Solution
The fourth proportional to 660,020.84, 910,828.68 and 358,214.84 is: 494,336.44
Step by Step Solution
- Step 1: Write the proportion equation
660,020.84 : 910,828.68 = 358,214.84 : x - Step 2: Convert to fraction form
660,020.84/910,828.68 = 358,214.84/x - Step 3: Cross multiply
660,020.84x = 910,828.68 × 358,214.84 - Step 4: Simplify right side
660,020.84x = 326,272,349,873.61 - Step 5: Solve for x
x = 326,272,349,873.61/660,020.84 - Step 6: Final answer
x = 494,336.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.