Finding the Fourth Proportional to 998,023.68, 1,497,089.28 and 399,075.84
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Solution
The fourth proportional to 998,023.68, 1,497,089.28 and 399,075.84 is: 598,635.26
Step by Step Solution
- Step 1: Write the proportion equation
998,023.68 : 1,497,089.28 = 399,075.84 : x - Step 2: Convert to fraction form
998,023.68/1,497,089.28 = 399,075.84/x - Step 3: Cross multiply
998,023.68x = 1,497,089.28 × 399,075.84 - Step 4: Simplify right side
998,023.68x = 597,452,161,971.00 - Step 5: Solve for x
x = 597,452,161,971.00/998,023.68 - Step 6: Final answer
x = 598,635.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.