Finding the Fourth Proportional to 817,076.70, 1,225,615.05 and 607,124.70
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Solution
The fourth proportional to 817,076.70, 1,225,615.05 and 607,124.70 is: 910,687.05
Step by Step Solution
- Step 1: Write the proportion equation
817,076.70 : 1,225,615.05 = 607,124.70 : x - Step 2: Convert to fraction form
817,076.70/1,225,615.05 = 607,124.70/x - Step 3: Cross multiply
817,076.70x = 1,225,615.05 × 607,124.70 - Step 4: Simplify right side
817,076.70x = 744,101,169,546.74 - Step 5: Solve for x
x = 744,101,169,546.74/817,076.70 - Step 6: Final answer
x = 910,687.05
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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.