Finding the Fourth Proportional to 1,377,423.68, 2,064,952.08 and 478,748.72
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Solution
The fourth proportional to 1,377,423.68, 2,064,952.08 and 478,748.72 is: 717,711.75
Step by Step Solution
- Step 1: Write the proportion equation
1,377,423.68 : 2,064,952.08 = 478,748.72 : x - Step 2: Convert to fraction form
1,377,423.68/2,064,952.08 = 478,748.72/x - Step 3: Cross multiply
1,377,423.68x = 2,064,952.08 × 478,748.72 - Step 4: Simplify right side
1,377,423.68x = 988,593,165,161.34 - Step 5: Solve for x
x = 988,593,165,161.34/1,377,423.68 - Step 6: Final answer
x = 717,711.75
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1.5x scale
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.