Finding the Fourth Proportional to 453,045.08, 679,476.90 and 430,563.80
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Solution
The fourth proportional to 453,045.08, 679,476.90 and 430,563.80 is: 645,759.48
Step by Step Solution
- Step 1: Write the proportion equation
453,045.08 : 679,476.90 = 430,563.80 : x - Step 2: Convert to fraction form
453,045.08/679,476.90 = 430,563.80/x - Step 3: Cross multiply
453,045.08x = 679,476.90 × 430,563.80 - Step 4: Simplify right side
453,045.08x = 292,558,156,076.22 - Step 5: Solve for x
x = 292,558,156,076.22/453,045.08 - Step 6: Final answer
x = 645,759.48
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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.