Finding the Fourth Proportional to 645,572.90, 967,237.09 and 453,038.96
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Solution
The fourth proportional to 645,572.90, 967,237.09 and 453,038.96 is: 678,770.88
Step by Step Solution
- Step 1: Write the proportion equation
645,572.90 : 967,237.09 = 453,038.96 : x - Step 2: Convert to fraction form
645,572.90/967,237.09 = 453,038.96/x - Step 3: Cross multiply
645,572.90x = 967,237.09 × 453,038.96 - Step 4: Simplify right side
645,572.90x = 438,196,086,612.52 - Step 5: Solve for x
x = 438,196,086,612.52/645,572.90 - Step 6: Final answer
x = 678,770.88
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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.