Finding the Fourth Proportional to 894,206.76, 1,234,013.62 and 486,312.44
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Solution
The fourth proportional to 894,206.76, 1,234,013.62 and 486,312.44 is: 671,115.68
Step by Step Solution
- Step 1: Write the proportion equation
894,206.76 : 1,234,013.62 = 486,312.44 : x - Step 2: Convert to fraction form
894,206.76/1,234,013.62 = 486,312.44/x - Step 3: Cross multiply
894,206.76x = 1,234,013.62 × 486,312.44 - Step 4: Simplify right side
894,206.76x = 600,116,174,535.43 - Step 5: Solve for x
x = 600,116,174,535.43/894,206.76 - Step 6: Final answer
x = 671,115.68
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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.