Finding the Fourth Proportional to 980,437.42, 1,352,793.75 and 572,354.05
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Solution
The fourth proportional to 980,437.42, 1,352,793.75 and 572,354.05 is: 789,726.06
Step by Step Solution
- Step 1: Write the proportion equation
980,437.42 : 1,352,793.75 = 572,354.05 : x - Step 2: Convert to fraction form
980,437.42/1,352,793.75 = 572,354.05/x - Step 3: Cross multiply
980,437.42x = 1,352,793.75 × 572,354.05 - Step 4: Simplify right side
980,437.42x = 774,276,981,627.19 - Step 5: Solve for x
x = 774,276,981,627.19/980,437.42 - Step 6: Final answer
x = 789,726.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.