Finding the Fourth Proportional to 507,751.20, 700,672.14 and 292,960.53
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Solution
The fourth proportional to 507,751.20, 700,672.14 and 292,960.53 is: 404,271.39
Step by Step Solution
- Step 1: Write the proportion equation
507,751.20 : 700,672.14 = 292,960.53 : x - Step 2: Convert to fraction form
507,751.20/700,672.14 = 292,960.53/x - Step 3: Cross multiply
507,751.20x = 700,672.14 × 292,960.53 - Step 4: Simplify right side
507,751.20x = 205,269,281,490.63 - Step 5: Solve for x
x = 205,269,281,490.63/507,751.20 - Step 6: Final answer
x = 404,271.39
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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.