Finding the Fourth Proportional to 945,787.64, 1,305,215.70 and 537,948.14
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Solution
The fourth proportional to 945,787.64, 1,305,215.70 and 537,948.14 is: 742,384.79
Step by Step Solution
- Step 1: Write the proportion equation
945,787.64 : 1,305,215.70 = 537,948.14 : x - Step 2: Convert to fraction form
945,787.64/1,305,215.70 = 537,948.14/x - Step 3: Cross multiply
945,787.64x = 1,305,215.70 × 537,948.14 - Step 4: Simplify right side
945,787.64x = 702,138,358,113.80 - Step 5: Solve for x
x = 702,138,358,113.80/945,787.64 - Step 6: Final answer
x = 742,384.79
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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.