Finding the Fourth Proportional to 651,792.80, 977,689.20 and 452,727.20
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Solution
The fourth proportional to 651,792.80, 977,689.20 and 452,727.20 is: 679,090.80
Step by Step Solution
- Step 1: Write the proportion equation
651,792.80 : 977,689.20 = 452,727.20 : x - Step 2: Convert to fraction form
651,792.80/977,689.20 = 452,727.20/x - Step 3: Cross multiply
651,792.80x = 977,689.20 × 452,727.20 - Step 4: Simplify right side
651,792.80x = 442,626,493,986.24 - Step 5: Solve for x
x = 442,626,493,986.24/651,792.80 - Step 6: Final answer
x = 679,090.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.