Finding the Fourth Proportional to 647,027.80, 970,541.70 and 542,051.80
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Solution
The fourth proportional to 647,027.80, 970,541.70 and 542,051.80 is: 813,077.70
Step by Step Solution
- Step 1: Write the proportion equation
647,027.80 : 970,541.70 = 542,051.80 : x - Step 2: Convert to fraction form
647,027.80/970,541.70 = 542,051.80/x - Step 3: Cross multiply
647,027.80x = 970,541.70 × 542,051.80 - Step 4: Simplify right side
647,027.80x = 526,083,875,460.06 - Step 5: Solve for x
x = 526,083,875,460.06/647,027.80 - Step 6: Final answer
x = 813,077.70
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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.