Finding the Fourth Proportional to 608,862.70, 840,217.95 and 336,930.42
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Solution
The fourth proportional to 608,862.70, 840,217.95 and 336,930.42 is: 464,957.02
Step by Step Solution
- Step 1: Write the proportion equation
608,862.70 : 840,217.95 = 336,930.42 : x - Step 2: Convert to fraction form
608,862.70/840,217.95 = 336,930.42/x - Step 3: Cross multiply
608,862.70x = 840,217.95 × 336,930.42 - Step 4: Simplify right side
608,862.70x = 283,094,986,785.04 - Step 5: Solve for x
x = 283,094,986,785.04/608,862.70 - Step 6: Final answer
x = 464,957.02
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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.