Finding the Fourth Proportional to 977,694.20, 1,466,541.30 and 679,095.80
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Solution
The fourth proportional to 977,694.20, 1,466,541.30 and 679,095.80 is: 1,018,643.70
Step by Step Solution
- Step 1: Write the proportion equation
977,694.20 : 1,466,541.30 = 679,095.80 : x - Step 2: Convert to fraction form
977,694.20/1,466,541.30 = 679,095.80/x - Step 3: Cross multiply
977,694.20x = 1,466,541.30 × 679,095.80 - Step 4: Simplify right side
977,694.20x = 995,922,037,356.54 - Step 5: Solve for x
x = 995,922,037,356.54/977,694.20 - Step 6: Final answer
x = 1,018,643.70
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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.