Finding the Fourth Proportional to 625,867.65, 863,702.76 and 339,387.75
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Solution
The fourth proportional to 625,867.65, 863,702.76 and 339,387.75 is: 468,358.02
Step by Step Solution
- Step 1: Write the proportion equation
625,867.65 : 863,702.76 = 339,387.75 : x - Step 2: Convert to fraction form
625,867.65/863,702.76 = 339,387.75/x - Step 3: Cross multiply
625,867.65x = 863,702.76 × 339,387.75 - Step 4: Simplify right side
625,867.65x = 293,130,136,385.19 - Step 5: Solve for x
x = 293,130,136,385.19/625,867.65 - Step 6: Final answer
x = 468,358.02
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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.