Finding the Fourth Proportional to 813,433.16, 1,122,604.93 and 450,970.71
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Solution
The fourth proportional to 813,433.16, 1,122,604.93 and 450,970.71 is: 622,376.82
Step by Step Solution
- Step 1: Write the proportion equation
813,433.16 : 1,122,604.93 = 450,970.71 : x - Step 2: Convert to fraction form
813,433.16/1,122,604.93 = 450,970.71/x - Step 3: Cross multiply
813,433.16x = 1,122,604.93 × 450,970.71 - Step 4: Simplify right side
813,433.16x = 506,261,942,895.31 - Step 5: Solve for x
x = 506,261,942,895.31/813,433.16 - Step 6: Final answer
x = 622,376.82
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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.