Finding the Fourth Proportional to 877,461.98, 1,315,931.40 and 372,014.84
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Solution
The fourth proportional to 877,461.98, 1,315,931.40 and 372,014.84 is: 557,911.36
Step by Step Solution
- Step 1: Write the proportion equation
877,461.98 : 1,315,931.40 = 372,014.84 : x - Step 2: Convert to fraction form
877,461.98/1,315,931.40 = 372,014.84/x - Step 3: Cross multiply
877,461.98x = 1,315,931.40 × 372,014.84 - Step 4: Simplify right side
877,461.98x = 489,546,009,221.98 - Step 5: Solve for x
x = 489,546,009,221.98/877,461.98 - Step 6: Final answer
x = 557,911.36
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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.