Finding the Fourth Proportional to 535,419.18, 739,043.91 and 344,432.70
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Solution
The fourth proportional to 535,419.18, 739,043.91 and 344,432.70 is: 475,423.55
Step by Step Solution
- Step 1: Write the proportion equation
535,419.18 : 739,043.91 = 344,432.70 : x - Step 2: Convert to fraction form
535,419.18/739,043.91 = 344,432.70/x - Step 3: Cross multiply
535,419.18x = 739,043.91 × 344,432.70 - Step 4: Simplify right side
535,419.18x = 254,550,889,339.86 - Step 5: Solve for x
x = 254,550,889,339.86/535,419.18 - Step 6: Final answer
x = 475,423.55
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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.