Finding the Fourth Proportional to 695,153.32, 959,284.96 and 389,201.08
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Solution
The fourth proportional to 695,153.32, 959,284.96 and 389,201.08 is: 537,082.59
Step by Step Solution
- Step 1: Write the proportion equation
695,153.32 : 959,284.96 = 389,201.08 : x - Step 2: Convert to fraction form
695,153.32/959,284.96 = 389,201.08/x - Step 3: Cross multiply
695,153.32x = 959,284.96 × 389,201.08 - Step 4: Simplify right side
695,153.32x = 373,354,742,459.76 - Step 5: Solve for x
x = 373,354,742,459.76/695,153.32 - Step 6: Final answer
x = 537,082.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.