Finding the Fourth Proportional to 659,487.99, 910,095.03 and 357,681.99
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Solution
The fourth proportional to 659,487.99, 910,095.03 and 357,681.99 is: 493,602.02
Step by Step Solution
- Step 1: Write the proportion equation
659,487.99 : 910,095.03 = 357,681.99 : x - Step 2: Convert to fraction form
659,487.99/910,095.03 = 357,681.99/x - Step 3: Cross multiply
659,487.99x = 910,095.03 × 357,681.99 - Step 4: Simplify right side
659,487.99x = 325,524,601,419.51 - Step 5: Solve for x
x = 325,524,601,419.51/659,487.99 - Step 6: Final answer
x = 493,602.02
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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.