Finding the Fourth Proportional to 918,649.05, 1,267,806.62 and 551,139.96
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Solution
The fourth proportional to 918,649.05, 1,267,806.62 and 551,139.96 is: 760,615.71
Step by Step Solution
- Step 1: Write the proportion equation
918,649.05 : 1,267,806.62 = 551,139.96 : x - Step 2: Convert to fraction form
918,649.05/1,267,806.62 = 551,139.96/x - Step 3: Cross multiply
918,649.05x = 1,267,806.62 × 551,139.96 - Step 4: Simplify right side
918,649.05x = 698,738,892,866.50 - Step 5: Solve for x
x = 698,738,892,866.50/918,649.05 - Step 6: Final answer
x = 760,615.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.