Finding the Fourth Proportional to 608,885.34, 840,263.41 and 336,971.99
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Solution
The fourth proportional to 608,885.34, 840,263.41 and 336,971.99 is: 465,022.25
Step by Step Solution
- Step 1: Write the proportion equation
608,885.34 : 840,263.41 = 336,971.99 : x - Step 2: Convert to fraction form
608,885.34/840,263.41 = 336,971.99/x - Step 3: Cross multiply
608,885.34x = 840,263.41 × 336,971.99 - Step 4: Simplify right side
608,885.34x = 283,145,233,550.52 - Step 5: Solve for x
x = 283,145,233,550.52/608,885.34 - Step 6: Final answer
x = 465,022.25
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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.