Finding the Fourth Proportional to 683,160.71, 1,025,366.07 and 346,433.79
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Solution
The fourth proportional to 683,160.71, 1,025,366.07 and 346,433.79 is: 519,967.62
Step by Step Solution
- Step 1: Write the proportion equation
683,160.71 : 1,025,366.07 = 346,433.79 : x - Step 2: Convert to fraction form
683,160.71/1,025,366.07 = 346,433.79/x - Step 3: Cross multiply
683,160.71x = 1,025,366.07 × 346,433.79 - Step 4: Simplify right side
683,160.71x = 355,221,447,337.19 - Step 5: Solve for x
x = 355,221,447,337.19/683,160.71 - Step 6: Final answer
x = 519,967.62
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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.