Finding the Fourth Proportional to 840,735.06, 1,160,242.35 and 458,782.80
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Solution
The fourth proportional to 840,735.06, 1,160,242.35 and 458,782.80 is: 633,135.53
Step by Step Solution
- Step 1: Write the proportion equation
840,735.06 : 1,160,242.35 = 458,782.80 : x - Step 2: Convert to fraction form
840,735.06/1,160,242.35 = 458,782.80/x - Step 3: Cross multiply
840,735.06x = 1,160,242.35 × 458,782.80 - Step 4: Simplify right side
840,735.06x = 532,299,234,011.58 - Step 5: Solve for x
x = 532,299,234,011.58/840,735.06 - Step 6: Final answer
x = 633,135.53
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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.