Finding the Fourth Proportional to 868,903.24, 1,303,035.18 and 300,139.60
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Solution
The fourth proportional to 868,903.24, 1,303,035.18 and 300,139.60 is: 450,098.98
Step by Step Solution
- Step 1: Write the proportion equation
868,903.24 : 1,303,035.18 = 300,139.60 : x - Step 2: Convert to fraction form
868,903.24/1,303,035.18 = 300,139.60/x - Step 3: Cross multiply
868,903.24x = 1,303,035.18 × 300,139.60 - Step 4: Simplify right side
868,903.24x = 391,092,457,711.13 - Step 5: Solve for x
x = 391,092,457,711.13/868,903.24 - Step 6: Final answer
x = 450,098.98
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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.