Finding the Fourth Proportional to 638,495.17, 957,742.75 and 606,567.70
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Solution
The fourth proportional to 638,495.17, 957,742.75 and 606,567.70 is: 909,851.55
Step by Step Solution
- Step 1: Write the proportion equation
638,495.17 : 957,742.75 = 606,567.70 : x - Step 2: Convert to fraction form
638,495.17/957,742.75 = 606,567.70/x - Step 3: Cross multiply
638,495.17x = 957,742.75 × 606,567.70 - Step 4: Simplify right side
638,495.17x = 580,935,819,014.56 - Step 5: Solve for x
x = 580,935,819,014.56/638,495.17 - Step 6: Final answer
x = 909,851.55
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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.