Finding the Fourth Proportional to 815,417.99, 1,125,246.02 and 452,865.20
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Solution
The fourth proportional to 815,417.99, 1,125,246.02 and 452,865.20 is: 624,936.86
Step by Step Solution
- Step 1: Write the proportion equation
815,417.99 : 1,125,246.02 = 452,865.20 : x - Step 2: Convert to fraction form
815,417.99/1,125,246.02 = 452,865.20/x - Step 3: Cross multiply
815,417.99x = 1,125,246.02 × 452,865.20 - Step 4: Simplify right side
815,417.99x = 509,584,761,632.18 - Step 5: Solve for x
x = 509,584,761,632.18/815,417.99 - Step 6: Final answer
x = 624,936.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.