Finding the Fourth Proportional to 690,937.20, 953,057.19 and 475,703.58
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Solution
The fourth proportional to 690,937.20, 953,057.19 and 475,703.58 is: 656,170.66
Step by Step Solution
- Step 1: Write the proportion equation
690,937.20 : 953,057.19 = 475,703.58 : x - Step 2: Convert to fraction form
690,937.20/953,057.19 = 475,703.58/x - Step 3: Cross multiply
690,937.20x = 953,057.19 × 475,703.58 - Step 4: Simplify right side
690,937.20x = 453,372,717,227.74 - Step 5: Solve for x
x = 453,372,717,227.74/690,937.20 - Step 6: Final answer
x = 656,170.66
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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.