Finding the Fourth Proportional to 988,539.68, 1,481,117.04 and 539,575.76
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Solution
The fourth proportional to 988,539.68, 1,481,117.04 and 539,575.76 is: 808,439.83
Step by Step Solution
- Step 1: Write the proportion equation
988,539.68 : 1,481,117.04 = 539,575.76 : x - Step 2: Convert to fraction form
988,539.68/1,481,117.04 = 539,575.76/x - Step 3: Cross multiply
988,539.68x = 1,481,117.04 × 539,575.76 - Step 4: Simplify right side
988,539.68x = 799,174,852,506.95 - Step 5: Solve for x
x = 799,174,852,506.95/988,539.68 - Step 6: Final answer
x = 808,439.83
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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.