Finding the Fourth Proportional to 840,454.05, 1,254,125.97 and 749,874.03
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Solution
The fourth proportional to 840,454.05, 1,254,125.97 and 749,874.03 is: 1,118,962.42
Step by Step Solution
- Step 1: Write the proportion equation
840,454.05 : 1,254,125.97 = 749,874.03 : x - Step 2: Convert to fraction form
840,454.05/1,254,125.97 = 749,874.03/x - Step 3: Cross multiply
840,454.05x = 1,254,125.97 × 749,874.03 - Step 4: Simplify right side
840,454.05x = 940,436,495,251.56 - Step 5: Solve for x
x = 940,436,495,251.56/840,454.05 - Step 6: Final answer
x = 1,118,962.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.