Finding the Fourth Proportional to 651,247.60, 977,101.80 and 628,207.60
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Solution
The fourth proportional to 651,247.60, 977,101.80 and 628,207.60 is: 942,533.65
Step by Step Solution
- Step 1: Write the proportion equation
651,247.60 : 977,101.80 = 628,207.60 : x - Step 2: Convert to fraction form
651,247.60/977,101.80 = 628,207.60/x - Step 3: Cross multiply
651,247.60x = 977,101.80 × 628,207.60 - Step 4: Simplify right side
651,247.60x = 613,822,776,733.68 - Step 5: Solve for x
x = 613,822,776,733.68/651,247.60 - Step 6: Final answer
x = 942,533.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.