Finding the Fourth Proportional to 714,787.97, 1,069,502.07 and 425,541.63
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Solution
The fourth proportional to 714,787.97, 1,069,502.07 and 425,541.63 is: 636,717.00
Step by Step Solution
- Step 1: Write the proportion equation
714,787.97 : 1,069,502.07 = 425,541.63 : x - Step 2: Convert to fraction form
714,787.97/1,069,502.07 = 425,541.63/x - Step 3: Cross multiply
714,787.97x = 1,069,502.07 × 425,541.63 - Step 4: Simplify right side
714,787.97x = 455,117,649,354.71 - Step 5: Solve for x
x = 455,117,649,354.71/714,787.97 - Step 6: Final answer
x = 636,717.00
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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.