Finding the Fourth Proportional to 988,351.68, 1,363,927.68 and 535,642.56
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Solution
The fourth proportional to 988,351.68, 1,363,927.68 and 535,642.56 is: 739,188.01
Step by Step Solution
- Step 1: Write the proportion equation
988,351.68 : 1,363,927.68 = 535,642.56 : x - Step 2: Convert to fraction form
988,351.68/1,363,927.68 = 535,642.56/x - Step 3: Cross multiply
988,351.68x = 1,363,927.68 × 535,642.56 - Step 4: Simplify right side
988,351.68x = 730,577,714,170.06 - Step 5: Solve for x
x = 730,577,714,170.06/988,351.68 - Step 6: Final answer
x = 739,188.01
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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.