Finding the Fourth Proportional to 623,904.02, 860,988.11 and 337,424.09
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Solution
The fourth proportional to 623,904.02, 860,988.11 and 337,424.09 is: 465,645.54
Step by Step Solution
- Step 1: Write the proportion equation
623,904.02 : 860,988.11 = 337,424.09 : x - Step 2: Convert to fraction form
623,904.02/860,988.11 = 337,424.09/x - Step 3: Cross multiply
623,904.02x = 860,988.11 × 337,424.09 - Step 4: Simplify right side
623,904.02x = 290,518,123,525.51 - Step 5: Solve for x
x = 290,518,123,525.51/623,904.02 - Step 6: Final answer
x = 465,645.54
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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.