Finding the Fourth Proportional to 703,032.13, 970,178.88 and 380,734.75
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Solution
The fourth proportional to 703,032.13, 970,178.88 and 380,734.75 is: 525,411.00
Step by Step Solution
- Step 1: Write the proportion equation
703,032.13 : 970,178.88 = 380,734.75 : x - Step 2: Convert to fraction form
703,032.13/970,178.88 = 380,734.75/x - Step 3: Cross multiply
703,032.13x = 970,178.88 × 380,734.75 - Step 4: Simplify right side
703,032.13x = 369,380,813,332.08 - Step 5: Solve for x
x = 369,380,813,332.08/703,032.13 - Step 6: Final answer
x = 525,411.00
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1.5x scale
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.