Finding the Fourth Proportional to 651,986.10, 899,655.12 and 361,594.19
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Solution
The fourth proportional to 651,986.10, 899,655.12 and 361,594.19 is: 498,952.45
Step by Step Solution
- Step 1: Write the proportion equation
651,986.10 : 899,655.12 = 361,594.19 : x - Step 2: Convert to fraction form
651,986.10/899,655.12 = 361,594.19/x - Step 3: Cross multiply
651,986.10x = 899,655.12 × 361,594.19 - Step 4: Simplify right side
651,986.10x = 325,310,064,395.75 - Step 5: Solve for x
x = 325,310,064,395.75/651,986.10 - Step 6: Final answer
x = 498,952.45
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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.