Finding the Fourth Proportional to 750,680.64, 1,123,195.86 and 526,478.70
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Solution
The fourth proportional to 750,680.64, 1,123,195.86 and 526,478.70 is: 787,736.71
Step by Step Solution
- Step 1: Write the proportion equation
750,680.64 : 1,123,195.86 = 526,478.70 : x - Step 2: Convert to fraction form
750,680.64/1,123,195.86 = 526,478.70/x - Step 3: Cross multiply
750,680.64x = 1,123,195.86 × 526,478.70 - Step 4: Simplify right side
750,680.64x = 591,338,696,218.18 - Step 5: Solve for x
x = 591,338,696,218.18/750,680.64 - Step 6: Final answer
x = 787,736.71
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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.