Finding the Fourth Proportional to 609,636.16, 841,311.36 and 347,986.08
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Solution
The fourth proportional to 609,636.16, 841,311.36 and 347,986.08 is: 480,228.47
Step by Step Solution
- Step 1: Write the proportion equation
609,636.16 : 841,311.36 = 347,986.08 : x - Step 2: Convert to fraction form
609,636.16/841,311.36 = 347,986.08/x - Step 3: Cross multiply
609,636.16x = 841,311.36 × 347,986.08 - Step 4: Simplify right side
609,636.16x = 292,764,642,225.87 - Step 5: Solve for x
x = 292,764,642,225.87/609,636.16 - Step 6: Final answer
x = 480,228.47
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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.