Finding the Fourth Proportional to 767,985.40, 1,059,810.66 and 423,823.96
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Solution
The fourth proportional to 767,985.40, 1,059,810.66 and 423,823.96 is: 584,871.99
Step by Step Solution
- Step 1: Write the proportion equation
767,985.40 : 1,059,810.66 = 423,823.96 : x - Step 2: Convert to fraction form
767,985.40/1,059,810.66 = 423,823.96/x - Step 3: Cross multiply
767,985.40x = 1,059,810.66 × 423,823.96 - Step 4: Simplify right side
767,985.40x = 449,173,150,771.41 - Step 5: Solve for x
x = 449,173,150,771.41/767,985.40 - Step 6: Final answer
x = 584,871.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.