Finding the Fourth Proportional to 657,258.26, 907,058.70 and 370,772.19
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Solution
The fourth proportional to 657,258.26, 907,058.70 and 370,772.19 is: 511,689.49
Step by Step Solution
- Step 1: Write the proportion equation
657,258.26 : 907,058.70 = 370,772.19 : x - Step 2: Convert to fraction form
657,258.26/907,058.70 = 370,772.19/x - Step 3: Cross multiply
657,258.26x = 907,058.70 × 370,772.19 - Step 4: Simplify right side
657,258.26x = 336,312,140,657.55 - Step 5: Solve for x
x = 336,312,140,657.55/657,258.26 - Step 6: Final answer
x = 511,689.49
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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.