Finding the Fourth Proportional to 961,257.60, 1,440,331.20 and 605,635.20
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Solution
The fourth proportional to 961,257.60, 1,440,331.20 and 605,635.20 is: 907,472.95
Step by Step Solution
- Step 1: Write the proportion equation
961,257.60 : 1,440,331.20 = 605,635.20 : x - Step 2: Convert to fraction form
961,257.60/1,440,331.20 = 605,635.20/x - Step 3: Cross multiply
961,257.60x = 1,440,331.20 × 605,635.20 - Step 4: Simplify right side
961,257.60x = 872,315,274,378.24 - Step 5: Solve for x
x = 872,315,274,378.24/961,257.60 - Step 6: Final answer
x = 907,472.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.