Finding the Fourth Proportional to 695,109.09, 959,265.13 and 393,303.09
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Solution
The fourth proportional to 695,109.09, 959,265.13 and 393,303.09 is: 542,766.52
Step by Step Solution
- Step 1: Write the proportion equation
695,109.09 : 959,265.13 = 393,303.09 : x - Step 2: Convert to fraction form
695,109.09/959,265.13 = 393,303.09/x - Step 3: Cross multiply
695,109.09x = 959,265.13 × 393,303.09 - Step 4: Simplify right side
695,109.09x = 377,281,943,109.68 - Step 5: Solve for x
x = 377,281,943,109.68/695,109.09 - Step 6: Final answer
x = 542,766.52
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1.5x scale
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.