Finding the Fourth Proportional to 955,035.16, 1,317,920.73 and 525,315.17
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Solution
The fourth proportional to 955,035.16, 1,317,920.73 and 525,315.17 is: 724,919.65
Step by Step Solution
- Step 1: Write the proportion equation
955,035.16 : 1,317,920.73 = 525,315.17 : x - Step 2: Convert to fraction form
955,035.16/1,317,920.73 = 525,315.17/x - Step 3: Cross multiply
955,035.16x = 1,317,920.73 × 525,315.17 - Step 4: Simplify right side
955,035.16x = 692,323,753,651.34 - Step 5: Solve for x
x = 692,323,753,651.34/955,035.16 - Step 6: Final answer
x = 724,919.65
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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.