Finding the Fourth Proportional to 506,116.76, 698,419.90 and 299,519.08
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Solution
The fourth proportional to 506,116.76, 698,419.90 and 299,519.08 is: 413,323.77
Step by Step Solution
- Step 1: Write the proportion equation
506,116.76 : 698,419.90 = 299,519.08 : x - Step 2: Convert to fraction form
506,116.76/698,419.90 = 299,519.08/x - Step 3: Cross multiply
506,116.76x = 698,419.90 × 299,519.08 - Step 4: Simplify right side
506,116.76x = 209,190,085,901.69 - Step 5: Solve for x
x = 209,190,085,901.69/506,116.76 - Step 6: Final answer
x = 413,323.77
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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.