Finding the Fourth Proportional to 410,381.99, 615,789.65 and 291,209.05
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Solution
The fourth proportional to 410,381.99, 615,789.65 and 291,209.05 is: 436,967.32
Step by Step Solution
- Step 1: Write the proportion equation
410,381.99 : 615,789.65 = 291,209.05 : x - Step 2: Convert to fraction form
410,381.99/615,789.65 = 291,209.05/x - Step 3: Cross multiply
410,381.99x = 615,789.65 × 291,209.05 - Step 4: Simplify right side
410,381.99x = 179,323,518,164.88 - Step 5: Solve for x
x = 179,323,518,164.88/410,381.99 - Step 6: Final answer
x = 436,967.32
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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.