Finding the Fourth Proportional to 722,406.02, 996,956.07 and 435,921.26
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Solution
The fourth proportional to 722,406.02, 996,956.07 and 435,921.26 is: 601,592.92
Step by Step Solution
- Step 1: Write the proportion equation
722,406.02 : 996,956.07 = 435,921.26 : x - Step 2: Convert to fraction form
722,406.02/996,956.07 = 435,921.26/x - Step 3: Cross multiply
722,406.02x = 996,956.07 × 435,921.26 - Step 4: Simplify right side
722,406.02x = 434,594,346,199.05 - Step 5: Solve for x
x = 434,594,346,199.05/722,406.02 - Step 6: Final answer
x = 601,592.92
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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.