Finding the Fourth Proportional to 928,159.80, 1,391,202.90 and 528,991.80
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Solution
The fourth proportional to 928,159.80, 1,391,202.90 and 528,991.80 is: 792,896.79
Step by Step Solution
- Step 1: Write the proportion equation
928,159.80 : 1,391,202.90 = 528,991.80 : x - Step 2: Convert to fraction form
928,159.80/1,391,202.90 = 528,991.80/x - Step 3: Cross multiply
928,159.80x = 1,391,202.90 × 528,991.80 - Step 4: Simplify right side
928,159.80x = 735,934,926,236.22 - Step 5: Solve for x
x = 735,934,926,236.22/928,159.80 - Step 6: Final answer
x = 792,896.79
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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.