Finding the Fourth Proportional to 955,278.79, 1,318,284.67 and 525,549.70
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Solution
The fourth proportional to 955,278.79, 1,318,284.67 and 525,549.70 is: 725,258.55
Step by Step Solution
- Step 1: Write the proportion equation
955,278.79 : 1,318,284.67 = 525,549.70 : x - Step 2: Convert to fraction form
955,278.79/1,318,284.67 = 525,549.70/x - Step 3: Cross multiply
955,278.79x = 1,318,284.67 × 525,549.70 - Step 4: Simplify right side
955,278.79x = 692,824,112,833.10 - Step 5: Solve for x
x = 692,824,112,833.10/955,278.79 - Step 6: Final answer
x = 725,258.55
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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.