Finding the Fourth Proportional to 970,782.23, 1,456,074.93 and 260,718.02
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Solution
The fourth proportional to 970,782.23, 1,456,074.93 and 260,718.02 is: 391,050.60
Step by Step Solution
- Step 1: Write the proportion equation
970,782.23 : 1,456,074.93 = 260,718.02 : x - Step 2: Convert to fraction form
970,782.23/1,456,074.93 = 260,718.02/x - Step 3: Cross multiply
970,782.23x = 1,456,074.93 × 260,718.02 - Step 4: Simplify right side
970,782.23x = 379,624,972,721.24 - Step 5: Solve for x
x = 379,624,972,721.24/970,782.23 - Step 6: Final answer
x = 391,050.60
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1.5x scale
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.