Finding the Fourth Proportional to 877,564.10, 1,315,309.35 and 372,124.10
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Solution
The fourth proportional to 877,564.10, 1,315,309.35 and 372,124.10 is: 557,746.50
Step by Step Solution
- Step 1: Write the proportion equation
877,564.10 : 1,315,309.35 = 372,124.10 : x - Step 2: Convert to fraction form
877,564.10/1,315,309.35 = 372,124.10/x - Step 3: Cross multiply
877,564.10x = 1,315,309.35 × 372,124.10 - Step 4: Simplify right side
877,564.10x = 489,458,308,090.34 - Step 5: Solve for x
x = 489,458,308,090.34/877,564.10 - Step 6: Final answer
x = 557,746.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.