Finding the Fourth Proportional to 623,294.08, 860,471.04 and 442,438.06
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Solution
The fourth proportional to 623,294.08, 860,471.04 and 442,438.06 is: 610,795.37
Step by Step Solution
- Step 1: Write the proportion equation
623,294.08 : 860,471.04 = 442,438.06 : x - Step 2: Convert to fraction form
623,294.08/860,471.04 = 442,438.06/x - Step 3: Cross multiply
623,294.08x = 860,471.04 × 442,438.06 - Step 4: Simplify right side
623,294.08x = 380,705,137,623.78 - Step 5: Solve for x
x = 380,705,137,623.78/623,294.08 - Step 6: Final answer
x = 610,795.37
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1.5x scale
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.