Finding the Fourth Proportional to 742,514.96, 1,114,303.50 and 316,349.46
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Solution
The fourth proportional to 742,514.96, 1,114,303.50 and 316,349.46 is: 474,750.45
Step by Step Solution
- Step 1: Write the proportion equation
742,514.96 : 1,114,303.50 = 316,349.46 : x - Step 2: Convert to fraction form
742,514.96/1,114,303.50 = 316,349.46/x - Step 3: Cross multiply
742,514.96x = 1,114,303.50 × 316,349.46 - Step 4: Simplify right side
742,514.96x = 352,509,310,501.11 - Step 5: Solve for x
x = 352,509,310,501.11/742,514.96 - Step 6: Final answer
x = 474,750.45
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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.