Finding the Fourth Proportional to 651,630.80, 977,446.20 and 452,565.20
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Solution
The fourth proportional to 651,630.80, 977,446.20 and 452,565.20 is: 678,847.80
Step by Step Solution
- Step 1: Write the proportion equation
651,630.80 : 977,446.20 = 452,565.20 : x - Step 2: Convert to fraction form
651,630.80/977,446.20 = 452,565.20/x - Step 3: Cross multiply
651,630.80x = 977,446.20 × 452,565.20 - Step 4: Simplify right side
651,630.80x = 442,358,134,992.24 - Step 5: Solve for x
x = 442,358,134,992.24/651,630.80 - Step 6: Final answer
x = 678,847.80
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1.5x scale
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.