Finding the Fourth Proportional to 667,952.64, 916,130.88 and 631,802.88
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Solution
The fourth proportional to 667,952.64, 916,130.88 and 631,802.88 is: 866,549.65
Step by Step Solution
- Step 1: Write the proportion equation
667,952.64 : 916,130.88 = 631,802.88 : x - Step 2: Convert to fraction form
667,952.64/916,130.88 = 631,802.88/x - Step 3: Cross multiply
667,952.64x = 916,130.88 × 631,802.88 - Step 4: Simplify right side
667,952.64x = 578,814,128,440.94 - Step 5: Solve for x
x = 578,814,128,440.94/667,952.64 - Step 6: Final answer
x = 866,549.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.