Finding the Fourth Proportional to 982,889.22, 1,356,430.74 and 553,197.18
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Solution
The fourth proportional to 982,889.22, 1,356,430.74 and 553,197.18 is: 763,436.66
Step by Step Solution
- Step 1: Write the proportion equation
982,889.22 : 1,356,430.74 = 553,197.18 : x - Step 2: Convert to fraction form
982,889.22/1,356,430.74 = 553,197.18/x - Step 3: Cross multiply
982,889.22x = 1,356,430.74 × 553,197.18 - Step 4: Simplify right side
982,889.22x = 750,373,660,233.31 - Step 5: Solve for x
x = 750,373,660,233.31/982,889.22 - Step 6: Final answer
x = 763,436.66
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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.