Finding the Fourth Proportional to 652,460.76, 900,384.98 and 380,686.68
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Solution
The fourth proportional to 652,460.76, 900,384.98 and 380,686.68 is: 525,341.28
Step by Step Solution
- Step 1: Write the proportion equation
652,460.76 : 900,384.98 = 380,686.68 : x - Step 2: Convert to fraction form
652,460.76/900,384.98 = 380,686.68/x - Step 3: Cross multiply
652,460.76x = 900,384.98 × 380,686.68 - Step 4: Simplify right side
652,460.76x = 342,764,568,758.07 - Step 5: Solve for x
x = 342,764,568,758.07/652,460.76 - Step 6: Final answer
x = 525,341.28
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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.