Finding the Fourth Proportional to 403,313.80, 604,970.70 and 298,337.80
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Solution
The fourth proportional to 403,313.80, 604,970.70 and 298,337.80 is: 447,506.70
Step by Step Solution
- Step 1: Write the proportion equation
403,313.80 : 604,970.70 = 298,337.80 : x - Step 2: Convert to fraction form
403,313.80/604,970.70 = 298,337.80/x - Step 3: Cross multiply
403,313.80x = 604,970.70 × 298,337.80 - Step 4: Simplify right side
403,313.80x = 180,485,627,702.46 - Step 5: Solve for x
x = 180,485,627,702.46/403,313.80 - Step 6: Final answer
x = 447,506.70
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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.