Finding the Fourth Proportional to 793,210.21, 1,189,368.18 and 260,588.23
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Solution
The fourth proportional to 793,210.21, 1,189,368.18 and 260,588.23 is: 390,735.45
Step by Step Solution
- Step 1: Write the proportion equation
793,210.21 : 1,189,368.18 = 260,588.23 : x - Step 2: Convert to fraction form
793,210.21/1,189,368.18 = 260,588.23/x - Step 3: Cross multiply
793,210.21x = 1,189,368.18 × 260,588.23 - Step 4: Simplify right side
793,210.21x = 309,935,342,897.68 - Step 5: Solve for x
x = 309,935,342,897.68/793,210.21 - Step 6: Final answer
x = 390,735.45
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1.5x scale
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.