Finding the Fourth Proportional to 658,811.68, 988,207.12 and 209,526.06
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Solution
The fourth proportional to 658,811.68, 988,207.12 and 209,526.06 is: 314,285.78
Step by Step Solution
- Step 1: Write the proportion equation
658,811.68 : 988,207.12 = 209,526.06 : x - Step 2: Convert to fraction form
658,811.68/988,207.12 = 209,526.06/x - Step 3: Cross multiply
658,811.68x = 988,207.12 × 209,526.06 - Step 4: Simplify right side
658,811.68x = 207,055,144,317.55 - Step 5: Solve for x
x = 207,055,144,317.55/658,811.68 - Step 6: Final answer
x = 314,285.78
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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.