Finding the Fourth Proportional to 703,263.36, 970,501.05 and 380,973.09
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Solution
The fourth proportional to 703,263.36, 970,501.05 and 380,973.09 is: 525,741.57
Step by Step Solution
- Step 1: Write the proportion equation
703,263.36 : 970,501.05 = 380,973.09 : x - Step 2: Convert to fraction form
703,263.36/970,501.05 = 380,973.09/x - Step 3: Cross multiply
703,263.36x = 970,501.05 × 380,973.09 - Step 4: Simplify right side
703,263.36x = 369,734,783,866.75 - Step 5: Solve for x
x = 369,734,783,866.75/703,263.36 - Step 6: Final answer
x = 525,741.57
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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.