Finding the Fourth Proportional to 623,209.84, 860,205.76 and 368,649.52
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Solution
The fourth proportional to 623,209.84, 860,205.76 and 368,649.52 is: 508,840.55
Step by Step Solution
- Step 1: Write the proportion equation
623,209.84 : 860,205.76 = 368,649.52 : x - Step 2: Convert to fraction form
623,209.84/860,205.76 = 368,649.52/x - Step 3: Cross multiply
623,209.84x = 860,205.76 × 368,649.52 - Step 4: Simplify right side
623,209.84x = 317,114,440,525.24 - Step 5: Solve for x
x = 317,114,440,525.24/623,209.84 - Step 6: Final answer
x = 508,840.55
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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.