Finding the Fourth Proportional to 605,378.25, 835,421.99 and 350,877.06
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Solution
The fourth proportional to 605,378.25, 835,421.99 and 350,877.06 is: 484,210.34
Step by Step Solution
- Step 1: Write the proportion equation
605,378.25 : 835,421.99 = 350,877.06 : x - Step 2: Convert to fraction form
605,378.25/835,421.99 = 350,877.06/x - Step 3: Cross multiply
605,378.25x = 835,421.99 × 350,877.06 - Step 4: Simplify right side
605,378.25x = 293,130,409,956.16 - Step 5: Solve for x
x = 293,130,409,956.16/605,378.25 - Step 6: Final answer
x = 484,210.34
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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.