Finding the Fourth Proportional to 780,347.16, 1,170,435.60 and 529,240.68
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Solution
The fourth proportional to 780,347.16, 1,170,435.60 and 529,240.68 is: 793,803.28
Step by Step Solution
- Step 1: Write the proportion equation
780,347.16 : 1,170,435.60 = 529,240.68 : x - Step 2: Convert to fraction form
780,347.16/1,170,435.60 = 529,240.68/x - Step 3: Cross multiply
780,347.16x = 1,170,435.60 × 529,240.68 - Step 4: Simplify right side
780,347.16x = 619,442,132,840.21 - Step 5: Solve for x
x = 619,442,132,840.21/780,347.16 - Step 6: Final answer
x = 793,803.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.