Finding the Fourth Proportional to 896,548.08, 1,237,204.80 and 488,641.92
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Solution
The fourth proportional to 896,548.08, 1,237,204.80 and 488,641.92 is: 674,308.65
Step by Step Solution
- Step 1: Write the proportion equation
896,548.08 : 1,237,204.80 = 488,641.92 : x - Step 2: Convert to fraction form
896,548.08/1,237,204.80 = 488,641.92/x - Step 3: Cross multiply
896,548.08x = 1,237,204.80 × 488,641.92 - Step 4: Simplify right side
896,548.08x = 604,550,128,905.22 - Step 5: Solve for x
x = 604,550,128,905.22/896,548.08 - Step 6: Final answer
x = 674,308.65
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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.