Finding the Fourth Proportional to 608,089.68, 838,729.08 and 464,601.42
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Solution
The fourth proportional to 608,089.68, 838,729.08 and 464,601.42 is: 640,817.85
Step by Step Solution
- Step 1: Write the proportion equation
608,089.68 : 838,729.08 = 464,601.42 : x - Step 2: Convert to fraction form
608,089.68/838,729.08 = 464,601.42/x - Step 3: Cross multiply
608,089.68x = 838,729.08 × 464,601.42 - Step 4: Simplify right side
608,089.68x = 389,674,721,563.29 - Step 5: Solve for x
x = 389,674,721,563.29/608,089.68 - Step 6: Final answer
x = 640,817.85
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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.