Finding the Fourth Proportional to 989,106.17, 1,365,024.06 and 553,519.82
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Solution
The fourth proportional to 989,106.17, 1,365,024.06 and 553,519.82 is: 763,889.56
Step by Step Solution
- Step 1: Write the proportion equation
989,106.17 : 1,365,024.06 = 553,519.82 : x - Step 2: Convert to fraction form
989,106.17/1,365,024.06 = 553,519.82/x - Step 3: Cross multiply
989,106.17x = 1,365,024.06 × 553,519.82 - Step 4: Simplify right side
989,106.17x = 755,567,875,399.43 - Step 5: Solve for x
x = 755,567,875,399.43/989,106.17 - Step 6: Final answer
x = 763,889.56
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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.