Finding the Fourth Proportional to 677,036.12, 934,412.82 and 432,126.68
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Solution
The fourth proportional to 677,036.12, 934,412.82 and 432,126.68 is: 596,400.54
Step by Step Solution
- Step 1: Write the proportion equation
677,036.12 : 934,412.82 = 432,126.68 : x - Step 2: Convert to fraction form
677,036.12/934,412.82 = 432,126.68/x - Step 3: Cross multiply
677,036.12x = 934,412.82 × 432,126.68 - Step 4: Simplify right side
677,036.12x = 403,784,709,656.04 - Step 5: Solve for x
x = 403,784,709,656.04/677,036.12 - Step 6: Final answer
x = 596,400.54
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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.