Finding the Fourth Proportional to 903,523.17, 1,355,698.62 and 391,344.96
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Solution
The fourth proportional to 903,523.17, 1,355,698.62 and 391,344.96 is: 587,196.70
Step by Step Solution
- Step 1: Write the proportion equation
903,523.17 : 1,355,698.62 = 391,344.96 : x - Step 2: Convert to fraction form
903,523.17/1,355,698.62 = 391,344.96/x - Step 3: Cross multiply
903,523.17x = 1,355,698.62 × 391,344.96 - Step 4: Simplify right side
903,523.17x = 530,545,822,215.96 - Step 5: Solve for x
x = 530,545,822,215.96/903,523.17 - Step 6: Final answer
x = 587,196.70
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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.