Finding the Fourth Proportional to 659,671.84, 910,346.88 and 357,865.84
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Solution
The fourth proportional to 659,671.84, 910,346.88 and 357,865.84 is: 493,854.72
Step by Step Solution
- Step 1: Write the proportion equation
659,671.84 : 910,346.88 = 357,865.84 : x - Step 2: Convert to fraction form
659,671.84/910,346.88 = 357,865.84/x - Step 3: Cross multiply
659,671.84x = 910,346.88 × 357,865.84 - Step 4: Simplify right side
659,671.84x = 325,782,050,902.58 - Step 5: Solve for x
x = 325,782,050,902.58/659,671.84 - Step 6: Final answer
x = 493,854.72
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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.