Finding the Fourth Proportional to 877,580.28, 1,316,109.58 and 372,133.80
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Solution
The fourth proportional to 877,580.28, 1,316,109.58 and 372,133.80 is: 558,090.09
Step by Step Solution
- Step 1: Write the proportion equation
877,580.28 : 1,316,109.58 = 372,133.80 : x - Step 2: Convert to fraction form
877,580.28/1,316,109.58 = 372,133.80/x - Step 3: Cross multiply
877,580.28x = 1,316,109.58 × 372,133.80 - Step 4: Simplify right side
877,580.28x = 489,768,859,221.80 - Step 5: Solve for x
x = 489,768,859,221.80/877,580.28 - Step 6: Final answer
x = 558,090.09
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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.