Finding the Fourth Proportional to 657,671.92, 907,590.36 and 371,204.08
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Solution
The fourth proportional to 657,671.92, 907,590.36 and 371,204.08 is: 512,263.39
Step by Step Solution
- Step 1: Write the proportion equation
657,671.92 : 907,590.36 = 371,204.08 : x - Step 2: Convert to fraction form
657,671.92/907,590.36 = 371,204.08/x - Step 3: Cross multiply
657,671.92x = 907,590.36 × 371,204.08 - Step 4: Simplify right side
657,671.92x = 336,901,244,600.67 - Step 5: Solve for x
x = 336,901,244,600.67/657,671.92 - Step 6: Final answer
x = 512,263.39
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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.