Finding the Fourth Proportional to 453,737.08, 679,416.54 and 319,892.68
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Solution
The fourth proportional to 453,737.08, 679,416.54 and 319,892.68 is: 479,000.70
Step by Step Solution
- Step 1: Write the proportion equation
453,737.08 : 679,416.54 = 319,892.68 : x - Step 2: Convert to fraction form
453,737.08/679,416.54 = 319,892.68/x - Step 3: Cross multiply
453,737.08x = 679,416.54 × 319,892.68 - Step 4: Simplify right side
453,737.08x = 217,340,377,816.93 - Step 5: Solve for x
x = 217,340,377,816.93/453,737.08 - Step 6: Final answer
x = 479,000.70
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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.