Finding the Fourth Proportional to 703,224.69, 970,454.73 and 380,934.79
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Solution
The fourth proportional to 703,224.69, 970,454.73 and 380,934.79 is: 525,692.53
Step by Step Solution
- Step 1: Write the proportion equation
703,224.69 : 970,454.73 = 380,934.79 : x - Step 2: Convert to fraction form
703,224.69/970,454.73 = 380,934.79/x - Step 3: Cross multiply
703,224.69x = 970,454.73 × 380,934.79 - Step 4: Simplify right side
703,224.69x = 369,679,968,777.06 - Step 5: Solve for x
x = 369,679,968,777.06/703,224.69 - Step 6: Final answer
x = 525,692.53
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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.