Finding the Fourth Proportional to 858,746.55, 1,185,023.97 and 476,748.75
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Solution
The fourth proportional to 858,746.55, 1,185,023.97 and 476,748.75 is: 657,887.59
Step by Step Solution
- Step 1: Write the proportion equation
858,746.55 : 1,185,023.97 = 476,748.75 : x - Step 2: Convert to fraction form
858,746.55/1,185,023.97 = 476,748.75/x - Step 3: Cross multiply
858,746.55x = 1,185,023.97 × 476,748.75 - Step 4: Simplify right side
858,746.55x = 564,958,696,996.35 - Step 5: Solve for x
x = 564,958,696,996.35/858,746.55 - Step 6: Final answer
x = 657,887.59
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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.