Finding the Fourth Proportional to 615,497.60, 923,246.40 and 586,467.20
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Solution
The fourth proportional to 615,497.60, 923,246.40 and 586,467.20 is: 879,700.80
Step by Step Solution
- Step 1: Write the proportion equation
615,497.60 : 923,246.40 = 586,467.20 : x - Step 2: Convert to fraction form
615,497.60/923,246.40 = 586,467.20/x - Step 3: Cross multiply
615,497.60x = 923,246.40 × 586,467.20 - Step 4: Simplify right side
615,497.60x = 541,453,731,118.08 - Step 5: Solve for x
x = 541,453,731,118.08/615,497.60 - Step 6: Final answer
x = 879,700.80
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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.