Finding the Fourth Proportional to 903,159.26, 1,245,154.05 and 717,506.72
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Solution
The fourth proportional to 903,159.26, 1,245,154.05 and 717,506.72 is: 989,201.39
Step by Step Solution
- Step 1: Write the proportion equation
903,159.26 : 1,245,154.05 = 717,506.72 : x - Step 2: Convert to fraction form
903,159.26/1,245,154.05 = 717,506.72/x - Step 3: Cross multiply
903,159.26x = 1,245,154.05 × 717,506.72 - Step 4: Simplify right side
903,159.26x = 893,406,392,084.45 - Step 5: Solve for x
x = 893,406,392,084.45/903,159.26 - Step 6: Final answer
x = 989,201.39
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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.