Finding the Fourth Proportional to 982,865.84, 1,356,773.36 and 660,762.75
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Solution
The fourth proportional to 982,865.84, 1,356,773.36 and 660,762.75 is: 912,133.95
Step by Step Solution
- Step 1: Write the proportion equation
982,865.84 : 1,356,773.36 = 660,762.75 : x - Step 2: Convert to fraction form
982,865.84/1,356,773.36 = 660,762.75/x - Step 3: Cross multiply
982,865.84x = 1,356,773.36 × 660,762.75 - Step 4: Simplify right side
982,865.84x = 896,505,293,176.53 - Step 5: Solve for x
x = 896,505,293,176.53/982,865.84 - Step 6: Final answer
x = 912,133.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.