Finding the Fourth Proportional to 998,497.40, 1,497,746.10 and 620,583.80
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Solution
The fourth proportional to 998,497.40, 1,497,746.10 and 620,583.80 is: 930,875.70
Step by Step Solution
- Step 1: Write the proportion equation
998,497.40 : 1,497,746.10 = 620,583.80 : x - Step 2: Convert to fraction form
998,497.40/1,497,746.10 = 620,583.80/x - Step 3: Cross multiply
998,497.40x = 1,497,746.10 × 620,583.80 - Step 4: Simplify right side
998,497.40x = 929,476,966,173.18 - Step 5: Solve for x
x = 929,476,966,173.18/998,497.40 - Step 6: Final answer
x = 930,875.70
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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.