Finding the Fourth Proportional to 659,666.84, 910,339.98 and 357,860.84
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Solution
The fourth proportional to 659,666.84, 910,339.98 and 357,860.84 is: 493,847.82
Step by Step Solution
- Step 1: Write the proportion equation
659,666.84 : 910,339.98 = 357,860.84 : x - Step 2: Convert to fraction form
659,666.84/910,339.98 = 357,860.84/x - Step 3: Cross multiply
659,666.84x = 910,339.98 × 357,860.84 - Step 4: Simplify right side
659,666.84x = 325,775,029,928.38 - Step 5: Solve for x
x = 325,775,029,928.38/659,666.84 - Step 6: Final answer
x = 493,847.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.