Finding the Fourth Proportional to 955,613.69, 1,432,420.97 and 356,314.13
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Solution
The fourth proportional to 955,613.69, 1,432,420.97 and 356,314.13 is: 534,098.49
Step by Step Solution
- Step 1: Write the proportion equation
955,613.69 : 1,432,420.97 = 356,314.13 : x - Step 2: Convert to fraction form
955,613.69/1,432,420.97 = 356,314.13/x - Step 3: Cross multiply
955,613.69x = 1,432,420.97 × 356,314.13 - Step 4: Simplify right side
955,613.69x = 510,391,822,775.63 - Step 5: Solve for x
x = 510,391,822,775.63/955,613.69 - Step 6: Final answer
x = 534,098.49
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1.5x scale
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.