Finding the Fourth Proportional to 640,204.23, 960,779.98 and 303,246.65
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Solution
The fourth proportional to 640,204.23, 960,779.98 and 303,246.65 is: 455,094.32
Step by Step Solution
- Step 1: Write the proportion equation
640,204.23 : 960,779.98 = 303,246.65 : x - Step 2: Convert to fraction form
640,204.23/960,779.98 = 303,246.65/x - Step 3: Cross multiply
640,204.23x = 960,779.98 × 303,246.65 - Step 4: Simplify right side
640,204.23x = 291,353,313,103.08 - Step 5: Solve for x
x = 291,353,313,103.08/640,204.23 - Step 6: Final answer
x = 455,094.32
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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.