Finding the Fourth Proportional to 648,124.15, 894,406.49 and 357,735.65
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Solution
The fourth proportional to 648,124.15, 894,406.49 and 357,735.65 is: 493,672.53
Step by Step Solution
- Step 1: Write the proportion equation
648,124.15 : 894,406.49 = 357,735.65 : x - Step 2: Convert to fraction form
648,124.15/894,406.49 = 357,735.65/x - Step 3: Cross multiply
648,124.15x = 894,406.49 × 357,735.65 - Step 4: Simplify right side
648,124.15x = 319,961,087,511.71 - Step 5: Solve for x
x = 319,961,087,511.71/648,124.15 - Step 6: Final answer
x = 493,672.53
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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.