Finding the Fourth Proportional to 998,024.08, 1,377,257.16 and 545,305.36
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Solution
The fourth proportional to 998,024.08, 1,377,257.16 and 545,305.36 is: 752,512.62
Step by Step Solution
- Step 1: Write the proportion equation
998,024.08 : 1,377,257.16 = 545,305.36 : x - Step 2: Convert to fraction form
998,024.08/1,377,257.16 = 545,305.36/x - Step 3: Cross multiply
998,024.08x = 1,377,257.16 × 545,305.36 - Step 4: Simplify right side
998,024.08x = 751,025,711,446.38 - Step 5: Solve for x
x = 751,025,711,446.38/998,024.08 - Step 6: Final answer
x = 752,512.62
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1.5x scale
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.