Finding the Fourth Proportional to 894,468.80, 1,343,258.40 and 474,564.80
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Solution
The fourth proportional to 894,468.80, 1,343,258.40 and 474,564.80 is: 712,672.32
Step by Step Solution
- Step 1: Write the proportion equation
894,468.80 : 1,343,258.40 = 474,564.80 : x - Step 2: Convert to fraction form
894,468.80/1,343,258.40 = 474,564.80/x - Step 3: Cross multiply
894,468.80x = 1,343,258.40 × 474,564.80 - Step 4: Simplify right side
894,468.80x = 637,463,153,944.32 - Step 5: Solve for x
x = 637,463,153,944.32/894,468.80 - Step 6: Final answer
x = 712,672.32
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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.