Finding the Fourth Proportional to 958,903.92, 1,438,590.06 and 319,206.42
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Solution
The fourth proportional to 958,903.92, 1,438,590.06 and 319,206.42 is: 478,887.59
Step by Step Solution
- Step 1: Write the proportion equation
958,903.92 : 1,438,590.06 = 319,206.42 : x - Step 2: Convert to fraction form
958,903.92/1,438,590.06 = 319,206.42/x - Step 3: Cross multiply
958,903.92x = 1,438,590.06 × 319,206.42 - Step 4: Simplify right side
958,903.92x = 459,207,182,900.19 - Step 5: Solve for x
x = 459,207,182,900.19/958,903.92 - Step 6: Final answer
x = 478,887.59
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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.