Finding the Fourth Proportional to 492,911.76, 735,801.99 and 433,124.65
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Solution
The fourth proportional to 492,911.76, 735,801.99 and 433,124.65 is: 646,553.82
Step by Step Solution
- Step 1: Write the proportion equation
492,911.76 : 735,801.99 = 433,124.65 : x - Step 2: Convert to fraction form
492,911.76/735,801.99 = 433,124.65/x - Step 3: Cross multiply
492,911.76x = 735,801.99 × 433,124.65 - Step 4: Simplify right side
492,911.76x = 318,693,979,388.05 - Step 5: Solve for x
x = 318,693,979,388.05/492,911.76 - Step 6: Final answer
x = 646,553.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.