Finding the Fourth Proportional to 785,621.08, 1,177,517.40 and 448,897.60
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Solution
The fourth proportional to 785,621.08, 1,177,517.40 and 448,897.60 is: 672,824.02
Step by Step Solution
- Step 1: Write the proportion equation
785,621.08 : 1,177,517.40 = 448,897.60 : x - Step 2: Convert to fraction form
785,621.08/1,177,517.40 = 448,897.60/x - Step 3: Cross multiply
785,621.08x = 1,177,517.40 × 448,897.60 - Step 4: Simplify right side
785,621.08x = 528,584,734,818.24 - Step 5: Solve for x
x = 528,584,734,818.24/785,621.08 - Step 6: Final answer
x = 672,824.02
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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.