Finding the Fourth Proportional to 947,284.65, 1,307,237.35 and 517,555.53
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Solution
The fourth proportional to 947,284.65, 1,307,237.35 and 517,555.53 is: 714,218.18
Step by Step Solution
- Step 1: Write the proportion equation
947,284.65 : 1,307,237.35 = 517,555.53 : x - Step 2: Convert to fraction form
947,284.65/1,307,237.35 = 517,555.53/x - Step 3: Cross multiply
947,284.65x = 1,307,237.35 × 517,555.53 - Step 4: Simplify right side
947,284.65x = 676,567,919,515.05 - Step 5: Solve for x
x = 676,567,919,515.05/947,284.65 - Step 6: Final answer
x = 714,218.18
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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.