Finding the Fourth Proportional to 982,877.33, 1,356,789.20 and 660,774.26
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Solution
The fourth proportional to 982,877.33, 1,356,789.20 and 660,774.26 is: 912,149.81
Step by Step Solution
- Step 1: Write the proportion equation
982,877.33 : 1,356,789.20 = 660,774.26 : x - Step 2: Convert to fraction form
982,877.33/1,356,789.20 = 660,774.26/x - Step 3: Cross multiply
982,877.33x = 1,356,789.20 × 660,774.26 - Step 4: Simplify right side
982,877.33x = 896,531,369,518.18 - Step 5: Solve for x
x = 896,531,369,518.18/982,877.33 - Step 6: Final answer
x = 912,149.81
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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.