Finding the Fourth Proportional to 556,775.99, 768,352.91 and 302,127.17
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Solution
The fourth proportional to 556,775.99, 768,352.91 and 302,127.17 is: 416,936.60
Step by Step Solution
- Step 1: Write the proportion equation
556,775.99 : 768,352.91 = 302,127.17 : x - Step 2: Convert to fraction form
556,775.99/768,352.91 = 302,127.17/x - Step 3: Cross multiply
556,775.99x = 768,352.91 × 302,127.17 - Step 4: Simplify right side
556,775.99x = 232,140,290,259.57 - Step 5: Solve for x
x = 232,140,290,259.57/556,775.99 - Step 6: Final answer
x = 416,936.60
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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.