Finding the Fourth Proportional to 840,170.94, 1,254,898.97 and 760,084.98
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Solution
The fourth proportional to 840,170.94, 1,254,898.97 and 760,084.98 is: 1,135,280.70
Step by Step Solution
- Step 1: Write the proportion equation
840,170.94 : 1,254,898.97 = 760,084.98 : x - Step 2: Convert to fraction form
840,170.94/1,254,898.97 = 760,084.98/x - Step 3: Cross multiply
840,170.94x = 1,254,898.97 × 760,084.98 - Step 4: Simplify right side
840,170.94x = 953,829,854,714.05 - Step 5: Solve for x
x = 953,829,854,714.05/840,170.94 - Step 6: Final answer
x = 1,135,280.70
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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.