Finding the Fourth Proportional to 747,734.58, 1,031,868.47 and 408,202.83
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Solution
The fourth proportional to 747,734.58, 1,031,868.47 and 408,202.83 is: 563,317.04
Step by Step Solution
- Step 1: Write the proportion equation
747,734.58 : 1,031,868.47 = 408,202.83 : x - Step 2: Convert to fraction form
747,734.58/1,031,868.47 = 408,202.83/x - Step 3: Cross multiply
747,734.58x = 1,031,868.47 × 408,202.83 - Step 4: Simplify right side
747,734.58x = 421,211,627,600.76 - Step 5: Solve for x
x = 421,211,627,600.76/747,734.58 - Step 6: Final answer
x = 563,317.04
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1.5x scale
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.