Finding the Fourth Proportional to 665,603.80, 998,535.30 and 286,523.80
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Solution
The fourth proportional to 665,603.80, 998,535.30 and 286,523.80 is: 429,841.49
Step by Step Solution
- Step 1: Write the proportion equation
665,603.80 : 998,535.30 = 286,523.80 : x - Step 2: Convert to fraction form
665,603.80/998,535.30 = 286,523.80/x - Step 3: Cross multiply
665,603.80x = 998,535.30 × 286,523.80 - Step 4: Simplify right side
665,603.80x = 286,104,128,590.14 - Step 5: Solve for x
x = 286,104,128,590.14/665,603.80 - Step 6: Final answer
x = 429,841.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.