Finding the Fourth Proportional to 875,621.80, 1,313,432.70 and 560,693.80
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Solution
The fourth proportional to 875,621.80, 1,313,432.70 and 560,693.80 is: 841,040.70
Step by Step Solution
- Step 1: Write the proportion equation
875,621.80 : 1,313,432.70 = 560,693.80 : x - Step 2: Convert to fraction form
875,621.80/1,313,432.70 = 560,693.80/x - Step 3: Cross multiply
875,621.80x = 1,313,432.70 × 560,693.80 - Step 4: Simplify right side
875,621.80x = 736,433,571,607.26 - Step 5: Solve for x
x = 736,433,571,607.26/875,621.80 - Step 6: Final answer
x = 841,040.70
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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.