Finding the Fourth Proportional to 912,273.58, 1,258,900.41 and 504,349.48
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Solution
The fourth proportional to 912,273.58, 1,258,900.41 and 504,349.48 is: 695,981.75
Step by Step Solution
- Step 1: Write the proportion equation
912,273.58 : 1,258,900.41 = 504,349.48 : x - Step 2: Convert to fraction form
912,273.58/1,258,900.41 = 504,349.48/x - Step 3: Cross multiply
912,273.58x = 1,258,900.41 × 504,349.48 - Step 4: Simplify right side
912,273.58x = 634,925,767,155.29 - Step 5: Solve for x
x = 634,925,767,155.29/912,273.58 - Step 6: Final answer
x = 695,981.75
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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.