Finding the Fourth Proportional to 832,989.60, 1,249,192.80 and 433,497.60
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Solution
The fourth proportional to 832,989.60, 1,249,192.80 and 433,497.60 is: 650,094.65
Step by Step Solution
- Step 1: Write the proportion equation
832,989.60 : 1,249,192.80 = 433,497.60 : x - Step 2: Convert to fraction form
832,989.60/1,249,192.80 = 433,497.60/x - Step 3: Cross multiply
832,989.60x = 1,249,192.80 × 433,497.60 - Step 4: Simplify right side
832,989.60x = 541,522,080,737.28 - Step 5: Solve for x
x = 541,522,080,737.28/832,989.60 - Step 6: Final answer
x = 650,094.65
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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.