Finding the Fourth Proportional to 822,069.08, 1,134,479.23 and 449,553.91
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Solution
The fourth proportional to 822,069.08, 1,134,479.23 and 449,553.91 is: 620,397.46
Step by Step Solution
- Step 1: Write the proportion equation
822,069.08 : 1,134,479.23 = 449,553.91 : x - Step 2: Convert to fraction form
822,069.08/1,134,479.23 = 449,553.91/x - Step 3: Cross multiply
822,069.08x = 1,134,479.23 × 449,553.91 - Step 4: Simplify right side
822,069.08x = 510,009,565,740.12 - Step 5: Solve for x
x = 510,009,565,740.12/822,069.08 - Step 6: Final answer
x = 620,397.46
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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.