Finding the Fourth Proportional to 648,686.99, 895,182.69 and 354,336.95
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Solution
The fourth proportional to 648,686.99, 895,182.69 and 354,336.95 is: 488,982.07
Step by Step Solution
- Step 1: Write the proportion equation
648,686.99 : 895,182.69 = 354,336.95 : x - Step 2: Convert to fraction form
648,686.99/895,182.69 = 354,336.95/x - Step 3: Cross multiply
648,686.99x = 895,182.69 × 354,336.95 - Step 4: Simplify right side
648,686.99x = 317,196,304,067.40 - Step 5: Solve for x
x = 317,196,304,067.40/648,686.99 - Step 6: Final answer
x = 488,982.07
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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.