Finding the Fourth Proportional to 819,570.84, 1,130,520.36 and 637,995.36
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Solution
The fourth proportional to 819,570.84, 1,130,520.36 and 637,995.36 is: 880,054.18
Step by Step Solution
- Step 1: Write the proportion equation
819,570.84 : 1,130,520.36 = 637,995.36 : x - Step 2: Convert to fraction form
819,570.84/1,130,520.36 = 637,995.36/x - Step 3: Cross multiply
819,570.84x = 1,130,520.36 × 637,995.36 - Step 4: Simplify right side
819,570.84x = 721,266,744,065.53 - Step 5: Solve for x
x = 721,266,744,065.53/819,570.84 - Step 6: Final answer
x = 880,054.18
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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.