Finding the Fourth Proportional to 745,757.08, 1,029,151.71 and 423,473.87
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Solution
The fourth proportional to 745,757.08, 1,029,151.71 and 423,473.87 is: 584,397.89
Step by Step Solution
- Step 1: Write the proportion equation
745,757.08 : 1,029,151.71 = 423,473.87 : x - Step 2: Convert to fraction form
745,757.08/1,029,151.71 = 423,473.87/x - Step 3: Cross multiply
745,757.08x = 1,029,151.71 × 423,473.87 - Step 4: Simplify right side
745,757.08x = 435,818,860,023.70 - Step 5: Solve for x
x = 435,818,860,023.70/745,757.08 - Step 6: Final answer
x = 584,397.89
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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.