Finding the Fourth Proportional to 1,432,929.64, 1,977,442.84 and 788,336.00
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Solution
The fourth proportional to 1,432,929.64, 1,977,442.84 and 788,336.00 is: 1,087,903.64
Step by Step Solution
- Step 1: Write the proportion equation
1,432,929.64 : 1,977,442.84 = 788,336.00 : x - Step 2: Convert to fraction form
1,432,929.64/1,977,442.84 = 788,336.00/x - Step 3: Cross multiply
1,432,929.64x = 1,977,442.84 × 788,336.00 - Step 4: Simplify right side
1,432,929.64x = 1,558,889,364,885.35 - Step 5: Solve for x
x = 1,558,889,364,885.35/1,432,929.64 - Step 6: Final answer
x = 1,087,903.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.