Finding the Fourth Proportional to 838,552.68, 1,157,550.45 and 634,660.50
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Solution
The fourth proportional to 838,552.68, 1,157,550.45 and 634,660.50 is: 876,094.69
Step by Step Solution
- Step 1: Write the proportion equation
838,552.68 : 1,157,550.45 = 634,660.50 : x - Step 2: Convert to fraction form
838,552.68/1,157,550.45 = 634,660.50/x - Step 3: Cross multiply
838,552.68x = 1,157,550.45 × 634,660.50 - Step 4: Simplify right side
838,552.68x = 734,651,547,372.23 - Step 5: Solve for x
x = 734,651,547,372.23/838,552.68 - Step 6: Final answer
x = 876,094.69
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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.