Finding the Fourth Proportional to 645,542.91, 973,149.12 and 602,191.08
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Solution
The fourth proportional to 645,542.91, 973,149.12 and 602,191.08 is: 907,796.69
Step by Step Solution
- Step 1: Write the proportion equation
645,542.91 : 973,149.12 = 602,191.08 : x - Step 2: Convert to fraction form
645,542.91/973,149.12 = 602,191.08/x - Step 3: Cross multiply
645,542.91x = 973,149.12 × 602,191.08 - Step 4: Simplify right side
645,542.91x = 586,021,719,573.85 - Step 5: Solve for x
x = 586,021,719,573.85/645,542.91 - Step 6: Final answer
x = 907,796.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.