Finding the Fourth Proportional to 873,414.72, 1,205,347.68 and 486,246
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Solution
The fourth proportional to 873,414.72, 1,205,347.68 and 486,246 is: 671,039.17
Step by Step Solution
- Step 1: Write the proportion equation
873,414.72 : 1,205,347.68 = 486,246 : x - Step 2: Convert to fraction form
873,414.72/1,205,347.68 = 486,246/x - Step 3: Cross multiply
873,414.72x = 1,205,347.68 × 486,246 - Step 4: Simplify right side
873,414.72x = 586,095,488,009.28 - Step 5: Solve for x
x = 586,095,488,009.28/873,414.72 - Step 6: Final answer
x = 671,039.17
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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.