Finding the Fourth Proportional to 651,027.60, 912,682.80 and 651,027.60
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Solution
The fourth proportional to 651,027.60, 912,682.80 and 651,027.60 is: 912,682.80
Step by Step Solution
- Step 1: Write the proportion equation
651,027.60 : 912,682.80 = 651,027.60 : x - Step 2: Convert to fraction form
651,027.60/912,682.80 = 651,027.60/x - Step 3: Cross multiply
651,027.60x = 912,682.80 × 651,027.60 - Step 4: Simplify right side
651,027.60x = 594,181,692,845.28 - Step 5: Solve for x
x = 594,181,692,845.28/651,027.60 - Step 6: Final answer
x = 912,682.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.