Finding the Fourth Proportional to 947,265.18, 1,307,210.67 and 517,536.06
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Solution
The fourth proportional to 947,265.18, 1,307,210.67 and 517,536.06 is: 714,191.42
Step by Step Solution
- Step 1: Write the proportion equation
947,265.18 : 1,307,210.67 = 517,536.06 : x - Step 2: Convert to fraction form
947,265.18/1,307,210.67 = 517,536.06/x - Step 3: Cross multiply
947,265.18x = 1,307,210.67 × 517,536.06 - Step 4: Simplify right side
947,265.18x = 676,528,659,741.76 - Step 5: Solve for x
x = 676,528,659,741.76/947,265.18 - Step 6: Final answer
x = 714,191.42
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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.