Finding the Fourth Proportional to 871,209.84, 1,306,311.86 and 338,107.80
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Solution
The fourth proportional to 871,209.84, 1,306,311.86 and 338,107.80 is: 506,966.53
Step by Step Solution
- Step 1: Write the proportion equation
871,209.84 : 1,306,311.86 = 338,107.80 : x - Step 2: Convert to fraction form
871,209.84/1,306,311.86 = 338,107.80/x - Step 3: Cross multiply
871,209.84x = 1,306,311.86 × 338,107.80 - Step 4: Simplify right side
871,209.84x = 441,674,229,098.51 - Step 5: Solve for x
x = 441,674,229,098.51/871,209.84 - Step 6: Final answer
x = 506,966.53
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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.